Home / 25,607.88-38,378.52-13,117.32

Finding the Fourth Proportional to 25,607.88, 38,378.52 and 13,117.32

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Solution

The fourth proportional to 25,607.88, 38,378.52 and 13,117.32 is: 19,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,607.88 : 38,378.52 = 13,117.32 : x
  2. Step 2: Convert to fraction form
    25,607.88/38,378.52 = 13,117.32/x
  3. Step 3: Cross multiply
    25,607.88x = 38,378.52 × 13,117.32
  4. Step 4: Simplify right side
    25,607.88x = 503,423,327.97
  5. Step 5: Solve for x
    x = 503,423,327.97/25,607.88
  6. Step 6: Final answer
    x = 19,658.92

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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.