Home / 25,217.57-34,767.72-20,663.32

Finding the Fourth Proportional to 25,217.57, 34,767.72 and 20,663.32

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Solution

The fourth proportional to 25,217.57, 34,767.72 and 20,663.32 is: 28,488.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,217.57 : 34,767.72 = 20,663.32 : x
  2. Step 2: Convert to fraction form
    25,217.57/34,767.72 = 20,663.32/x
  3. Step 3: Cross multiply
    25,217.57x = 34,767.72 × 20,663.32
  4. Step 4: Simplify right side
    25,217.57x = 718,416,437.11
  5. Step 5: Solve for x
    x = 718,416,437.11/25,217.57
  6. Step 6: Final answer
    x = 28,488.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.