Home / 25,152.74-34,708.39-15,079.31

Finding the Fourth Proportional to 25,152.74, 34,708.39 and 15,079.31

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Solution

The fourth proportional to 25,152.74, 34,708.39 and 15,079.31 is: 20,808.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152.74 : 34,708.39 = 15,079.31 : x
  2. Step 2: Convert to fraction form
    25,152.74/34,708.39 = 15,079.31/x
  3. Step 3: Cross multiply
    25,152.74x = 34,708.39 × 15,079.31
  4. Step 4: Simplify right side
    25,152.74x = 523,378,361.17
  5. Step 5: Solve for x
    x = 523,378,361.17/25,152.74
  6. Step 6: Final answer
    x = 20,808.01

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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.