Home / 22,284.32-30,751.02-12,210.75

Finding the Fourth Proportional to 22,284.32, 30,751.02 and 12,210.75

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Solution

The fourth proportional to 22,284.32, 30,751.02 and 12,210.75 is: 16,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,284.32 : 30,751.02 = 12,210.75 : x
  2. Step 2: Convert to fraction form
    22,284.32/30,751.02 = 12,210.75/x
  3. Step 3: Cross multiply
    22,284.32x = 30,751.02 × 12,210.75
  4. Step 4: Simplify right side
    22,284.32x = 375,493,017.47
  5. Step 5: Solve for x
    x = 375,493,017.47/22,284.32
  6. Step 6: Final answer
    x = 16,850.10

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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.