Home / 25,617.15-38,425.73-13,807.35

Finding the Fourth Proportional to 25,617.15, 38,425.73 and 13,807.35

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Solution

The fourth proportional to 25,617.15, 38,425.73 and 13,807.35 is: 20,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,617.15 : 38,425.73 = 13,807.35 : x
  2. Step 2: Convert to fraction form
    25,617.15/38,425.73 = 13,807.35/x
  3. Step 3: Cross multiply
    25,617.15x = 38,425.73 × 13,807.35
  4. Step 4: Simplify right side
    25,617.15x = 530,557,434.08
  5. Step 5: Solve for x
    x = 530,557,434.08/25,617.15
  6. Step 6: Final answer
    x = 20,711.03

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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.