Home / 22,094.46-30,478.74-13,135.59

Finding the Fourth Proportional to 22,094.46, 30,478.74 and 13,135.59

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Solution

The fourth proportional to 22,094.46, 30,478.74 and 13,135.59 is: 18,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,094.46 : 30,478.74 = 13,135.59 : x
  2. Step 2: Convert to fraction form
    22,094.46/30,478.74 = 13,135.59/x
  3. Step 3: Cross multiply
    22,094.46x = 30,478.74 × 13,135.59
  4. Step 4: Simplify right side
    22,094.46x = 400,356,232.36
  5. Step 5: Solve for x
    x = 400,356,232.36/22,094.46
  6. Step 6: Final answer
    x = 18,120.21

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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.