Home / 22,667.52-31,255.68-18,566.40

Finding the Fourth Proportional to 22,667.52, 31,255.68 and 18,566.40

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Solution

The fourth proportional to 22,667.52, 31,255.68 and 18,566.40 is: 25,600.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,667.52 : 31,255.68 = 18,566.40 : x
  2. Step 2: Convert to fraction form
    22,667.52/31,255.68 = 18,566.40/x
  3. Step 3: Cross multiply
    22,667.52x = 31,255.68 × 18,566.40
  4. Step 4: Simplify right side
    22,667.52x = 580,305,457.15
  5. Step 5: Solve for x
    x = 580,305,457.15/22,667.52
  6. Step 6: Final answer
    x = 25,600.75

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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.