Home / 19,618.38-29,411.02-8,516.70

Finding the Fourth Proportional to 19,618.38, 29,411.02 and 8,516.70

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Solution

The fourth proportional to 19,618.38, 29,411.02 and 8,516.70 is: 12,767.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.38 : 29,411.02 = 8,516.70 : x
  2. Step 2: Convert to fraction form
    19,618.38/29,411.02 = 8,516.70/x
  3. Step 3: Cross multiply
    19,618.38x = 29,411.02 × 8,516.70
  4. Step 4: Simplify right side
    19,618.38x = 250,484,834.03
  5. Step 5: Solve for x
    x = 250,484,834.03/19,618.38
  6. Step 6: Final answer
    x = 12,767.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.