Home / 22,605.80-31,207.76-17,558.72

Finding the Fourth Proportional to 22,605.80, 31,207.76 and 17,558.72

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Solution

The fourth proportional to 22,605.80, 31,207.76 and 17,558.72 is: 24,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,605.80 : 31,207.76 = 17,558.72 : x
  2. Step 2: Convert to fraction form
    22,605.80/31,207.76 = 17,558.72/x
  3. Step 3: Cross multiply
    22,605.80x = 31,207.76 × 17,558.72
  4. Step 4: Simplify right side
    22,605.80x = 547,968,319.67
  5. Step 5: Solve for x
    x = 547,968,319.67/22,605.80
  6. Step 6: Final answer
    x = 24,240.16

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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.