Home / 23,154.14-31,952.67-12,543.81

Finding the Fourth Proportional to 23,154.14, 31,952.67 and 12,543.81

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Solution

The fourth proportional to 23,154.14, 31,952.67 and 12,543.81 is: 17,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,154.14 : 31,952.67 = 12,543.81 : x
  2. Step 2: Convert to fraction form
    23,154.14/31,952.67 = 12,543.81/x
  3. Step 3: Cross multiply
    23,154.14x = 31,952.67 × 12,543.81
  4. Step 4: Simplify right side
    23,154.14x = 400,808,221.47
  5. Step 5: Solve for x
    x = 400,808,221.47/23,154.14
  6. Step 6: Final answer
    x = 17,310.44

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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.