Home / 15,099.55-22,547.63-12,331.71

Finding the Fourth Proportional to 15,099.55, 22,547.63 and 12,331.71

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Solution

The fourth proportional to 15,099.55, 22,547.63 and 12,331.71 is: 18,414.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,099.55 : 22,547.63 = 12,331.71 : x
  2. Step 2: Convert to fraction form
    15,099.55/22,547.63 = 12,331.71/x
  3. Step 3: Cross multiply
    15,099.55x = 22,547.63 × 12,331.71
  4. Step 4: Simplify right side
    15,099.55x = 278,050,865.18
  5. Step 5: Solve for x
    x = 278,050,865.18/15,099.55
  6. Step 6: Final answer
    x = 18,414.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.