Home / 10,013.76-14,919.12-9,518.04

Finding the Fourth Proportional to 10,013.76, 14,919.12 and 9,518.04

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Solution

The fourth proportional to 10,013.76, 14,919.12 and 9,518.04 is: 14,180.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.76 : 14,919.12 = 9,518.04 : x
  2. Step 2: Convert to fraction form
    10,013.76/14,919.12 = 9,518.04/x
  3. Step 3: Cross multiply
    10,013.76x = 14,919.12 × 9,518.04
  4. Step 4: Simplify right side
    10,013.76x = 142,000,780.92
  5. Step 5: Solve for x
    x = 142,000,780.92/10,013.76
  6. Step 6: Final answer
    x = 14,180.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.