Home / 22,723.63-31,358.24-13,293.79

Finding the Fourth Proportional to 22,723.63, 31,358.24 and 13,293.79

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Solution

The fourth proportional to 22,723.63, 31,358.24 and 13,293.79 is: 18,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,723.63 : 31,358.24 = 13,293.79 : x
  2. Step 2: Convert to fraction form
    22,723.63/31,358.24 = 13,293.79/x
  3. Step 3: Cross multiply
    22,723.63x = 31,358.24 × 13,293.79
  4. Step 4: Simplify right side
    22,723.63x = 416,869,790.86
  5. Step 5: Solve for x
    x = 416,869,790.86/22,723.63
  6. Step 6: Final answer
    x = 18,345.21

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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.