Home / 13,463.02-18,581.52-8,917.66

Finding the Fourth Proportional to 13,463.02, 18,581.52 and 8,917.66

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Solution

The fourth proportional to 13,463.02, 18,581.52 and 8,917.66 is: 12,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.02 : 18,581.52 = 8,917.66 : x
  2. Step 2: Convert to fraction form
    13,463.02/18,581.52 = 8,917.66/x
  3. Step 3: Cross multiply
    13,463.02x = 18,581.52 × 8,917.66
  4. Step 4: Simplify right side
    13,463.02x = 165,703,677.64
  5. Step 5: Solve for x
    x = 165,703,677.64/13,463.02
  6. Step 6: Final answer
    x = 12,308.06

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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.