Home / 22,152.46-30,570.01-12,080.92

Finding the Fourth Proportional to 22,152.46, 30,570.01 and 12,080.92

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Solution

The fourth proportional to 22,152.46, 30,570.01 and 12,080.92 is: 16,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.46 : 30,570.01 = 12,080.92 : x
  2. Step 2: Convert to fraction form
    22,152.46/30,570.01 = 12,080.92/x
  3. Step 3: Cross multiply
    22,152.46x = 30,570.01 × 12,080.92
  4. Step 4: Simplify right side
    22,152.46x = 369,313,845.21
  5. Step 5: Solve for x
    x = 369,313,845.21/22,152.46
  6. Step 6: Final answer
    x = 16,671.46

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Half scale
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Double scale
Find fourth proportional to 22,153.46, 30,571.39 and 12,081.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.