Home / 22,613.48-31,206.83-12,542.07

Finding the Fourth Proportional to 22,613.48, 31,206.83 and 12,542.07

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Solution

The fourth proportional to 22,613.48, 31,206.83 and 12,542.07 is: 17,308.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.48 : 31,206.83 = 12,542.07 : x
  2. Step 2: Convert to fraction form
    22,613.48/31,206.83 = 12,542.07/x
  3. Step 3: Cross multiply
    22,613.48x = 31,206.83 × 12,542.07
  4. Step 4: Simplify right side
    22,613.48x = 391,398,183.63
  5. Step 5: Solve for x
    x = 391,398,183.63/22,613.48
  6. Step 6: Final answer
    x = 17,308.18

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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.