Home / 22,577.36-31,156.92-12,505.95

Finding the Fourth Proportional to 22,577.36, 31,156.92 and 12,505.95

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Solution

The fourth proportional to 22,577.36, 31,156.92 and 12,505.95 is: 17,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,577.36 : 31,156.92 = 12,505.95 : x
  2. Step 2: Convert to fraction form
    22,577.36/31,156.92 = 12,505.95/x
  3. Step 3: Cross multiply
    22,577.36x = 31,156.92 × 12,505.95
  4. Step 4: Simplify right side
    22,577.36x = 389,646,883.67
  5. Step 5: Solve for x
    x = 389,646,883.67/22,577.36
  6. Step 6: Final answer
    x = 17,258.31

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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.