Home / 47,945.12-71,920.16-14,670.24

Finding the Fourth Proportional to 47,945.12, 71,920.16 and 14,670.24

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Solution

The fourth proportional to 47,945.12, 71,920.16 and 14,670.24 is: 22,006.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,945.12 : 71,920.16 = 14,670.24 : x
  2. Step 2: Convert to fraction form
    47,945.12/71,920.16 = 14,670.24/x
  3. Step 3: Cross multiply
    47,945.12x = 71,920.16 × 14,670.24
  4. Step 4: Simplify right side
    47,945.12x = 1,055,086,008.04
  5. Step 5: Solve for x
    x = 1,055,086,008.04/47,945.12
  6. Step 6: Final answer
    x = 22,006.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.