Home / 18,114.08-24,994.68-10,155.20

Finding the Fourth Proportional to 18,114.08, 24,994.68 and 10,155.20

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Solution

The fourth proportional to 18,114.08, 24,994.68 and 10,155.20 is: 14,012.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.08 : 24,994.68 = 10,155.20 : x
  2. Step 2: Convert to fraction form
    18,114.08/24,994.68 = 10,155.20/x
  3. Step 3: Cross multiply
    18,114.08x = 24,994.68 × 10,155.20
  4. Step 4: Simplify right side
    18,114.08x = 253,825,974.34
  5. Step 5: Solve for x
    x = 253,825,974.34/18,114.08
  6. Step 6: Final answer
    x = 14,012.63

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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.