Home / 25,399.50-35,052.39-14,787.42

Finding the Fourth Proportional to 25,399.50, 35,052.39 and 14,787.42

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Solution

The fourth proportional to 25,399.50, 35,052.39 and 14,787.42 is: 20,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,399.50 : 35,052.39 = 14,787.42 : x
  2. Step 2: Convert to fraction form
    25,399.50/35,052.39 = 14,787.42/x
  3. Step 3: Cross multiply
    25,399.50x = 35,052.39 × 14,787.42
  4. Step 4: Simplify right side
    25,399.50x = 518,334,412.93
  5. Step 5: Solve for x
    x = 518,334,412.93/25,399.50
  6. Step 6: Final answer
    x = 20,407.27

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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.