Home / 22,531.40-31,092.06-12,459.24

Finding the Fourth Proportional to 22,531.40, 31,092.06 and 12,459.24

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Solution

The fourth proportional to 22,531.40, 31,092.06 and 12,459.24 is: 17,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531.40 : 31,092.06 = 12,459.24 : x
  2. Step 2: Convert to fraction form
    22,531.40/31,092.06 = 12,459.24/x
  3. Step 3: Cross multiply
    22,531.40x = 31,092.06 × 12,459.24
  4. Step 4: Simplify right side
    22,531.40x = 387,383,437.63
  5. Step 5: Solve for x
    x = 387,383,437.63/22,531.40
  6. Step 6: Final answer
    x = 17,193.05

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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.