Home / 22,579.29-31,158.84-12,370.25

Finding the Fourth Proportional to 22,579.29, 31,158.84 and 12,370.25

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Solution

The fourth proportional to 22,579.29, 31,158.84 and 12,370.25 is: 17,070.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,579.29 : 31,158.84 = 12,370.25 : x
  2. Step 2: Convert to fraction form
    22,579.29/31,158.84 = 12,370.25/x
  3. Step 3: Cross multiply
    22,579.29x = 31,158.84 × 12,370.25
  4. Step 4: Simplify right side
    22,579.29x = 385,442,764.80
  5. Step 5: Solve for x
    x = 385,442,764.80/22,579.29
  6. Step 6: Final answer
    x = 17,070.63

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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.