Home / 16,613.40-22,920.75-10,648.36

Finding the Fourth Proportional to 16,613.40, 22,920.75 and 10,648.36

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Solution

The fourth proportional to 16,613.40, 22,920.75 and 10,648.36 is: 14,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,613.40 : 22,920.75 = 10,648.36 : x
  2. Step 2: Convert to fraction form
    16,613.40/22,920.75 = 10,648.36/x
  3. Step 3: Cross multiply
    16,613.40x = 22,920.75 × 10,648.36
  4. Step 4: Simplify right side
    16,613.40x = 244,068,396.17
  5. Step 5: Solve for x
    x = 244,068,396.17/16,613.40
  6. Step 6: Final answer
    x = 14,691.05

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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.