Home / 25,188.79-37,755.46-10,389.61

Finding the Fourth Proportional to 25,188.79, 37,755.46 and 10,389.61

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Solution

The fourth proportional to 25,188.79, 37,755.46 and 10,389.61 is: 15,572.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.79 : 37,755.46 = 10,389.61 : x
  2. Step 2: Convert to fraction form
    25,188.79/37,755.46 = 10,389.61/x
  3. Step 3: Cross multiply
    25,188.79x = 37,755.46 × 10,389.61
  4. Step 4: Simplify right side
    25,188.79x = 392,264,504.77
  5. Step 5: Solve for x
    x = 392,264,504.77/25,188.79
  6. Step 6: Final answer
    x = 15,572.98

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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.