Home / 15,066.30-20,747.66-14,103.59

Finding the Fourth Proportional to 15,066.30, 20,747.66 and 14,103.59

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Solution

The fourth proportional to 15,066.30, 20,747.66 and 14,103.59 is: 19,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,066.30 : 20,747.66 = 14,103.59 : x
  2. Step 2: Convert to fraction form
    15,066.30/20,747.66 = 14,103.59/x
  3. Step 3: Cross multiply
    15,066.30x = 20,747.66 × 14,103.59
  4. Step 4: Simplify right side
    15,066.30x = 292,616,385.02
  5. Step 5: Solve for x
    x = 292,616,385.02/15,066.30
  6. Step 6: Final answer
    x = 19,421.91

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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.