Home / 25,133.76-37,686.28-10,330.50

Finding the Fourth Proportional to 25,133.76, 37,686.28 and 10,330.50

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Solution

The fourth proportional to 25,133.76, 37,686.28 and 10,330.50 is: 15,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,133.76 : 37,686.28 = 10,330.50 : x
  2. Step 2: Convert to fraction form
    25,133.76/37,686.28 = 10,330.50/x
  3. Step 3: Cross multiply
    25,133.76x = 37,686.28 × 10,330.50
  4. Step 4: Simplify right side
    25,133.76x = 389,318,115.54
  5. Step 5: Solve for x
    x = 389,318,115.54/25,133.76
  6. Step 6: Final answer
    x = 15,489.85

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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.