Home / 18,116.10-24,998.85-10,156.50

Finding the Fourth Proportional to 18,116.10, 24,998.85 and 10,156.50

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Solution

The fourth proportional to 18,116.10, 24,998.85 and 10,156.50 is: 14,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.10 : 24,998.85 = 10,156.50 : x
  2. Step 2: Convert to fraction form
    18,116.10/24,998.85 = 10,156.50/x
  3. Step 3: Cross multiply
    18,116.10x = 24,998.85 × 10,156.50
  4. Step 4: Simplify right side
    18,116.10x = 253,900,820.03
  5. Step 5: Solve for x
    x = 253,900,820.03/18,116.10
  6. Step 6: Final answer
    x = 14,015.20

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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.