Home / 25,718.48-38,545.91-15,177.81

Finding the Fourth Proportional to 25,718.48, 38,545.91 and 15,177.81

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Solution

The fourth proportional to 25,718.48, 38,545.91 and 15,177.81 is: 22,747.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.48 : 38,545.91 = 15,177.81 : x
  2. Step 2: Convert to fraction form
    25,718.48/38,545.91 = 15,177.81/x
  3. Step 3: Cross multiply
    25,718.48x = 38,545.91 × 15,177.81
  4. Step 4: Simplify right side
    25,718.48x = 585,042,498.26
  5. Step 5: Solve for x
    x = 585,042,498.26/25,718.48
  6. Step 6: Final answer
    x = 22,747.94

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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.