Home / 22,685.89-31,301.94-13,252.63

Finding the Fourth Proportional to 22,685.89, 31,301.94 and 13,252.63

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Solution

The fourth proportional to 22,685.89, 31,301.94 and 13,252.63 is: 18,285.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,685.89 : 31,301.94 = 13,252.63 : x
  2. Step 2: Convert to fraction form
    22,685.89/31,301.94 = 13,252.63/x
  3. Step 3: Cross multiply
    22,685.89x = 31,301.94 × 13,252.63
  4. Step 4: Simplify right side
    22,685.89x = 414,833,029.10
  5. Step 5: Solve for x
    x = 414,833,029.10/22,685.89
  6. Step 6: Final answer
    x = 18,285.95

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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.