Home / 23,149.37-31,948.10-13,079.66

Finding the Fourth Proportional to 23,149.37, 31,948.10 and 13,079.66

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Solution

The fourth proportional to 23,149.37, 31,948.10 and 13,079.66 is: 18,051.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149.37 : 31,948.10 = 13,079.66 : x
  2. Step 2: Convert to fraction form
    23,149.37/31,948.10 = 13,079.66/x
  3. Step 3: Cross multiply
    23,149.37x = 31,948.10 × 13,079.66
  4. Step 4: Simplify right side
    23,149.37x = 417,870,285.65
  5. Step 5: Solve for x
    x = 417,870,285.65/23,149.37
  6. Step 6: Final answer
    x = 18,051.04

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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.