Home / 25,545.76-35,242.32-15,604

Finding the Fourth Proportional to 25,545.76, 35,242.32 and 15,604

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Solution

The fourth proportional to 25,545.76, 35,242.32 and 15,604 is: 21,526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,545.76 : 35,242.32 = 15,604 : x
  2. Step 2: Convert to fraction form
    25,545.76/35,242.32 = 15,604/x
  3. Step 3: Cross multiply
    25,545.76x = 35,242.32 × 15,604
  4. Step 4: Simplify right side
    25,545.76x = 549,921,161.28
  5. Step 5: Solve for x
    x = 549,921,161.28/25,545.76
  6. Step 6: Final answer
    x = 21,526.91

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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.