Home / 18,116.70-24,932.43-16,440.18

Finding the Fourth Proportional to 18,116.70, 24,932.43 and 16,440.18

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Solution

The fourth proportional to 18,116.70, 24,932.43 and 16,440.18 is: 22,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.70 : 24,932.43 = 16,440.18 : x
  2. Step 2: Convert to fraction form
    18,116.70/24,932.43 = 16,440.18/x
  3. Step 3: Cross multiply
    18,116.70x = 24,932.43 × 16,440.18
  4. Step 4: Simplify right side
    18,116.70x = 409,893,637.04
  5. Step 5: Solve for x
    x = 409,893,637.04/18,116.70
  6. Step 6: Final answer
    x = 22,625.18

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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.