Home / 25,107.52-34,648.08-13,929.76

Finding the Fourth Proportional to 25,107.52, 34,648.08 and 13,929.76

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Solution

The fourth proportional to 25,107.52, 34,648.08 and 13,929.76 is: 19,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.52 : 34,648.08 = 13,929.76 : x
  2. Step 2: Convert to fraction form
    25,107.52/34,648.08 = 13,929.76/x
  3. Step 3: Cross multiply
    25,107.52x = 34,648.08 × 13,929.76
  4. Step 4: Simplify right side
    25,107.52x = 482,639,438.86
  5. Step 5: Solve for x
    x = 482,639,438.86/25,107.52
  6. Step 6: Final answer
    x = 19,222.90

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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.