Home / 14,732.25-20,325.38-8,358.09

Finding the Fourth Proportional to 14,732.25, 20,325.38 and 8,358.09

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Solution

The fourth proportional to 14,732.25, 20,325.38 and 8,358.09 is: 11,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,732.25 : 20,325.38 = 8,358.09 : x
  2. Step 2: Convert to fraction form
    14,732.25/20,325.38 = 8,358.09/x
  3. Step 3: Cross multiply
    14,732.25x = 20,325.38 × 8,358.09
  4. Step 4: Simplify right side
    14,732.25x = 169,881,313.53
  5. Step 5: Solve for x
    x = 169,881,313.53/14,732.25
  6. Step 6: Final answer
    x = 11,531.25

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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.