Home / 22,491.93-31,042.95-13,417.89

Finding the Fourth Proportional to 22,491.93, 31,042.95 and 13,417.89

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Solution

The fourth proportional to 22,491.93, 31,042.95 and 13,417.89 is: 18,519.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,491.93 : 31,042.95 = 13,417.89 : x
  2. Step 2: Convert to fraction form
    22,491.93/31,042.95 = 13,417.89/x
  3. Step 3: Cross multiply
    22,491.93x = 31,042.95 × 13,417.89
  4. Step 4: Simplify right side
    22,491.93x = 416,530,888.38
  5. Step 5: Solve for x
    x = 416,530,888.38/22,491.93
  6. Step 6: Final answer
    x = 18,519.13

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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.