Home / 18,015.18-24,868.54-10,943.88

Finding the Fourth Proportional to 18,015.18, 24,868.54 and 10,943.88

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Solution

The fourth proportional to 18,015.18, 24,868.54 and 10,943.88 is: 15,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.18 : 24,868.54 = 10,943.88 : x
  2. Step 2: Convert to fraction form
    18,015.18/24,868.54 = 10,943.88/x
  3. Step 3: Cross multiply
    18,015.18x = 24,868.54 × 10,943.88
  4. Step 4: Simplify right side
    18,015.18x = 272,158,317.54
  5. Step 5: Solve for x
    x = 272,158,317.54/18,015.18
  6. Step 6: Final answer
    x = 15,107.17

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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.