Home / 25,038.64-34,553.84-15,479.92

Finding the Fourth Proportional to 25,038.64, 34,553.84 and 15,479.92

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Solution

The fourth proportional to 25,038.64, 34,553.84 and 15,479.92 is: 21,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,038.64 : 34,553.84 = 15,479.92 : x
  2. Step 2: Convert to fraction form
    25,038.64/34,553.84 = 15,479.92/x
  3. Step 3: Cross multiply
    25,038.64x = 34,553.84 × 15,479.92
  4. Step 4: Simplify right side
    25,038.64x = 534,890,678.89
  5. Step 5: Solve for x
    x = 534,890,678.89/25,038.64
  6. Step 6: Final answer
    x = 21,362.61

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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.