Home / 25,545.76-35,256.72-15,475.36

Finding the Fourth Proportional to 25,545.76, 35,256.72 and 15,475.36

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Solution

The fourth proportional to 25,545.76, 35,256.72 and 15,475.36 is: 21,358.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,545.76 : 35,256.72 = 15,475.36 : x
  2. Step 2: Convert to fraction form
    25,545.76/35,256.72 = 15,475.36/x
  3. Step 3: Cross multiply
    25,545.76x = 35,256.72 × 15,475.36
  4. Step 4: Simplify right side
    25,545.76x = 545,610,434.42
  5. Step 5: Solve for x
    x = 545,610,434.42/25,545.76
  6. Step 6: Final answer
    x = 21,358.16

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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.