Home / 22,579.61-31,159.46-12,508.02

Finding the Fourth Proportional to 22,579.61, 31,159.46 and 12,508.02

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Solution

The fourth proportional to 22,579.61, 31,159.46 and 12,508.02 is: 17,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,579.61 : 31,159.46 = 12,508.02 : x
  2. Step 2: Convert to fraction form
    22,579.61/31,159.46 = 12,508.02/x
  3. Step 3: Cross multiply
    22,579.61x = 31,159.46 × 12,508.02
  4. Step 4: Simplify right side
    22,579.61x = 389,743,127.27
  5. Step 5: Solve for x
    x = 389,743,127.27/22,579.61
  6. Step 6: Final answer
    x = 17,260.84

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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.