Home / 23,147.64-31,943.15-13,077.12

Finding the Fourth Proportional to 23,147.64, 31,943.15 and 13,077.12

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Solution

The fourth proportional to 23,147.64, 31,943.15 and 13,077.12 is: 18,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,147.64 : 31,943.15 = 13,077.12 : x
  2. Step 2: Convert to fraction form
    23,147.64/31,943.15 = 13,077.12/x
  3. Step 3: Cross multiply
    23,147.64x = 31,943.15 × 13,077.12
  4. Step 4: Simplify right side
    23,147.64x = 417,724,340.34
  5. Step 5: Solve for x
    x = 417,724,340.34/23,147.64
  6. Step 6: Final answer
    x = 18,046.09

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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.