Home / 20,591.84-28,395.52-17,617.52

Finding the Fourth Proportional to 20,591.84, 28,395.52 and 17,617.52

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Solution

The fourth proportional to 20,591.84, 28,395.52 and 17,617.52 is: 24,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,591.84 : 28,395.52 = 17,617.52 : x
  2. Step 2: Convert to fraction form
    20,591.84/28,395.52 = 17,617.52/x
  3. Step 3: Cross multiply
    20,591.84x = 28,395.52 × 17,617.52
  4. Step 4: Simplify right side
    20,591.84x = 500,258,668.46
  5. Step 5: Solve for x
    x = 500,258,668.46/20,591.84
  6. Step 6: Final answer
    x = 24,294.02

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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.