Home / 25,695.84-38,565.60-10,124.40

Finding the Fourth Proportional to 25,695.84, 38,565.60 and 10,124.40

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Solution

The fourth proportional to 25,695.84, 38,565.60 and 10,124.40 is: 15,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.84 : 38,565.60 = 10,124.40 : x
  2. Step 2: Convert to fraction form
    25,695.84/38,565.60 = 10,124.40/x
  3. Step 3: Cross multiply
    25,695.84x = 38,565.60 × 10,124.40
  4. Step 4: Simplify right side
    25,695.84x = 390,453,560.64
  5. Step 5: Solve for x
    x = 390,453,560.64/25,695.84
  6. Step 6: Final answer
    x = 15,195.21

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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.