Home / 18,107.04-24,990.72-13,404.84

Finding the Fourth Proportional to 18,107.04, 24,990.72 and 13,404.84

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Solution

The fourth proportional to 18,107.04, 24,990.72 and 13,404.84 is: 18,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.04 : 24,990.72 = 13,404.84 : x
  2. Step 2: Convert to fraction form
    18,107.04/24,990.72 = 13,404.84/x
  3. Step 3: Cross multiply
    18,107.04x = 24,990.72 × 13,404.84
  4. Step 4: Simplify right side
    18,107.04x = 334,996,603.08
  5. Step 5: Solve for x
    x = 334,996,603.08/18,107.04
  6. Step 6: Final answer
    x = 18,500.90

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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.