Home / 27,543.12-38,009.36-14,967.92

Finding the Fourth Proportional to 27,543.12, 38,009.36 and 14,967.92

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Solution

The fourth proportional to 27,543.12, 38,009.36 and 14,967.92 is: 20,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,543.12 : 38,009.36 = 14,967.92 : x
  2. Step 2: Convert to fraction form
    27,543.12/38,009.36 = 14,967.92/x
  3. Step 3: Cross multiply
    27,543.12x = 38,009.36 × 14,967.92
  4. Step 4: Simplify right side
    27,543.12x = 568,921,059.73
  5. Step 5: Solve for x
    x = 568,921,059.73/27,543.12
  6. Step 6: Final answer
    x = 20,655.65

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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.