Home / 22,578.97-31,158.98-12,508.07

Finding the Fourth Proportional to 22,578.97, 31,158.98 and 12,508.07

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Solution

The fourth proportional to 22,578.97, 31,158.98 and 12,508.07 is: 17,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,578.97 : 31,158.98 = 12,508.07 : x
  2. Step 2: Convert to fraction form
    22,578.97/31,158.98 = 12,508.07/x
  3. Step 3: Cross multiply
    22,578.97x = 31,158.98 × 12,508.07
  4. Step 4: Simplify right side
    22,578.97x = 389,738,706.81
  5. Step 5: Solve for x
    x = 389,738,706.81/22,578.97
  6. Step 6: Final answer
    x = 17,261.14

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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.