Home / 13,962.60-19,267.20-7,675.20

Finding the Fourth Proportional to 13,962.60, 19,267.20 and 7,675.20

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Solution

The fourth proportional to 13,962.60, 19,267.20 and 7,675.20 is: 10,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.60 : 19,267.20 = 7,675.20 : x
  2. Step 2: Convert to fraction form
    13,962.60/19,267.20 = 7,675.20/x
  3. Step 3: Cross multiply
    13,962.60x = 19,267.20 × 7,675.20
  4. Step 4: Simplify right side
    13,962.60x = 147,879,613.44
  5. Step 5: Solve for x
    x = 147,879,613.44/13,962.60
  6. Step 6: Final answer
    x = 10,591.12

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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.