Home / 26,545.23-36,632.55-15,215.40

Finding the Fourth Proportional to 26,545.23, 36,632.55 and 15,215.40

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Solution

The fourth proportional to 26,545.23, 36,632.55 and 15,215.40 is: 20,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,545.23 : 36,632.55 = 15,215.40 : x
  2. Step 2: Convert to fraction form
    26,545.23/36,632.55 = 15,215.40/x
  3. Step 3: Cross multiply
    26,545.23x = 36,632.55 × 15,215.40
  4. Step 4: Simplify right side
    26,545.23x = 557,378,901.27
  5. Step 5: Solve for x
    x = 557,378,901.27/26,545.23
  6. Step 6: Final answer
    x = 20,997.33

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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.