Home / 25,641.76-38,422.32-13,966.24

Finding the Fourth Proportional to 25,641.76, 38,422.32 and 13,966.24

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Solution

The fourth proportional to 25,641.76, 38,422.32 and 13,966.24 is: 20,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,641.76 : 38,422.32 = 13,966.24 : x
  2. Step 2: Convert to fraction form
    25,641.76/38,422.32 = 13,966.24/x
  3. Step 3: Cross multiply
    25,641.76x = 38,422.32 × 13,966.24
  4. Step 4: Simplify right side
    25,641.76x = 536,615,342.48
  5. Step 5: Solve for x
    x = 536,615,342.48/25,641.76
  6. Step 6: Final answer
    x = 20,927.40

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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.