Home / 22,579.84-31,160.31-12,508.06

Finding the Fourth Proportional to 22,579.84, 31,160.31 and 12,508.06

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Solution

The fourth proportional to 22,579.84, 31,160.31 and 12,508.06 is: 17,261.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,579.84 : 31,160.31 = 12,508.06 : x
  2. Step 2: Convert to fraction form
    22,579.84/31,160.31 = 12,508.06/x
  3. Step 3: Cross multiply
    22,579.84x = 31,160.31 × 12,508.06
  4. Step 4: Simplify right side
    22,579.84x = 389,755,027.10
  5. Step 5: Solve for x
    x = 389,755,027.10/22,579.84
  6. Step 6: Final answer
    x = 17,261.20

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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.