Home / 15,463.25-21,339.29-8,748.74

Finding the Fourth Proportional to 15,463.25, 21,339.29 and 8,748.74

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Solution

The fourth proportional to 15,463.25, 21,339.29 and 8,748.74 is: 12,073.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,463.25 : 21,339.29 = 8,748.74 : x
  2. Step 2: Convert to fraction form
    15,463.25/21,339.29 = 8,748.74/x
  3. Step 3: Cross multiply
    15,463.25x = 21,339.29 × 8,748.74
  4. Step 4: Simplify right side
    15,463.25x = 186,691,899.99
  5. Step 5: Solve for x
    x = 186,691,899.99/15,463.25
  6. Step 6: Final answer
    x = 12,073.26

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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.