Home / 22,522.88-31,076.32-13,085.76

Finding the Fourth Proportional to 22,522.88, 31,076.32 and 13,085.76

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Solution

The fourth proportional to 22,522.88, 31,076.32 and 13,085.76 is: 18,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,522.88 : 31,076.32 = 13,085.76 : x
  2. Step 2: Convert to fraction form
    22,522.88/31,076.32 = 13,085.76/x
  3. Step 3: Cross multiply
    22,522.88x = 31,076.32 × 13,085.76
  4. Step 4: Simplify right side
    22,522.88x = 406,657,265.20
  5. Step 5: Solve for x
    x = 406,657,265.20/22,522.88
  6. Step 6: Final answer
    x = 18,055.30

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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.