Home / 25,683.52-38,534.84-15,708.72

Finding the Fourth Proportional to 25,683.52, 38,534.84 and 15,708.72

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Solution

The fourth proportional to 25,683.52, 38,534.84 and 15,708.72 is: 23,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,683.52 : 38,534.84 = 15,708.72 : x
  2. Step 2: Convert to fraction form
    25,683.52/38,534.84 = 15,708.72/x
  3. Step 3: Cross multiply
    25,683.52x = 38,534.84 × 15,708.72
  4. Step 4: Simplify right side
    25,683.52x = 605,333,011.80
  5. Step 5: Solve for x
    x = 605,333,011.80/25,683.52
  6. Step 6: Final answer
    x = 23,568.93

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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.