Home / 18,103.19-24,983.12-10,145.35

Finding the Fourth Proportional to 18,103.19, 24,983.12 and 10,145.35

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Solution

The fourth proportional to 18,103.19, 24,983.12 and 10,145.35 is: 14,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.19 : 24,983.12 = 10,145.35 : x
  2. Step 2: Convert to fraction form
    18,103.19/24,983.12 = 10,145.35/x
  3. Step 3: Cross multiply
    18,103.19x = 24,983.12 × 10,145.35
  4. Step 4: Simplify right side
    18,103.19x = 253,462,320.85
  5. Step 5: Solve for x
    x = 253,462,320.85/18,103.19
  6. Step 6: Final answer
    x = 14,000.98

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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.