Home / 13,248.96-18,264.60-9,471.12

Finding the Fourth Proportional to 13,248.96, 18,264.60 and 9,471.12

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Solution

The fourth proportional to 13,248.96, 18,264.60 and 9,471.12 is: 13,056.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.96 : 18,264.60 = 9,471.12 : x
  2. Step 2: Convert to fraction form
    13,248.96/18,264.60 = 9,471.12/x
  3. Step 3: Cross multiply
    13,248.96x = 18,264.60 × 9,471.12
  4. Step 4: Simplify right side
    13,248.96x = 172,986,218.35
  5. Step 5: Solve for x
    x = 172,986,218.35/13,248.96
  6. Step 6: Final answer
    x = 13,056.59

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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.