Home / 13,532.52-18,662.76-8,497.22

Finding the Fourth Proportional to 13,532.52, 18,662.76 and 8,497.22

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Solution

The fourth proportional to 13,532.52, 18,662.76 and 8,497.22 is: 11,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532.52 : 18,662.76 = 8,497.22 : x
  2. Step 2: Convert to fraction form
    13,532.52/18,662.76 = 8,497.22/x
  3. Step 3: Cross multiply
    13,532.52x = 18,662.76 × 8,497.22
  4. Step 4: Simplify right side
    13,532.52x = 158,581,484.21
  5. Step 5: Solve for x
    x = 158,581,484.21/13,532.52
  6. Step 6: Final answer
    x = 11,718.55

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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.