Home / 18,116.11-24,999.91-10,158.31

Finding the Fourth Proportional to 18,116.11, 24,999.91 and 10,158.31

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Solution

The fourth proportional to 18,116.11, 24,999.91 and 10,158.31 is: 14,018.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.11 : 24,999.91 = 10,158.31 : x
  2. Step 2: Convert to fraction form
    18,116.11/24,999.91 = 10,158.31/x
  3. Step 3: Cross multiply
    18,116.11x = 24,999.91 × 10,158.31
  4. Step 4: Simplify right side
    18,116.11x = 253,956,835.75
  5. Step 5: Solve for x
    x = 253,956,835.75/18,116.11
  6. Step 6: Final answer
    x = 14,018.29

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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.