Home / 19,155.43-26,434.11-10,657.38

Finding the Fourth Proportional to 19,155.43, 26,434.11 and 10,657.38

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Solution

The fourth proportional to 19,155.43, 26,434.11 and 10,657.38 is: 14,706.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.43 : 26,434.11 = 10,657.38 : x
  2. Step 2: Convert to fraction form
    19,155.43/26,434.11 = 10,657.38/x
  3. Step 3: Cross multiply
    19,155.43x = 26,434.11 × 10,657.38
  4. Step 4: Simplify right side
    19,155.43x = 281,718,355.23
  5. Step 5: Solve for x
    x = 281,718,355.23/19,155.43
  6. Step 6: Final answer
    x = 14,706.97

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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.