Home / 23,042.16-31,788.24-15,070.48

Finding the Fourth Proportional to 23,042.16, 31,788.24 and 15,070.48

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Solution

The fourth proportional to 23,042.16, 31,788.24 and 15,070.48 is: 20,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,042.16 : 31,788.24 = 15,070.48 : x
  2. Step 2: Convert to fraction form
    23,042.16/31,788.24 = 15,070.48/x
  3. Step 3: Cross multiply
    23,042.16x = 31,788.24 × 15,070.48
  4. Step 4: Simplify right side
    23,042.16x = 479,064,035.16
  5. Step 5: Solve for x
    x = 479,064,035.16/23,042.16
  6. Step 6: Final answer
    x = 20,790.76

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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.