Home / 22,661.09-31,277.30-12,592.99

Finding the Fourth Proportional to 22,661.09, 31,277.30 and 12,592.99

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Solution

The fourth proportional to 22,661.09, 31,277.30 and 12,592.99 is: 17,381.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,661.09 : 31,277.30 = 12,592.99 : x
  2. Step 2: Convert to fraction form
    22,661.09/31,277.30 = 12,592.99/x
  3. Step 3: Cross multiply
    22,661.09x = 31,277.30 × 12,592.99
  4. Step 4: Simplify right side
    22,661.09x = 393,874,726.13
  5. Step 5: Solve for x
    x = 393,874,726.13/22,661.09
  6. Step 6: Final answer
    x = 17,381.10

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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.