Home / 25,565.34-38,328.84-17,221.95

Finding the Fourth Proportional to 25,565.34, 38,328.84 and 17,221.95

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Solution

The fourth proportional to 25,565.34, 38,328.84 and 17,221.95 is: 25,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,565.34 : 38,328.84 = 17,221.95 : x
  2. Step 2: Convert to fraction form
    25,565.34/38,328.84 = 17,221.95/x
  3. Step 3: Cross multiply
    25,565.34x = 38,328.84 × 17,221.95
  4. Step 4: Simplify right side
    25,565.34x = 660,097,366.04
  5. Step 5: Solve for x
    x = 660,097,366.04/25,565.34
  6. Step 6: Final answer
    x = 25,820.01

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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.