Home / 13,041.60-17,985.28-8,727.04

Finding the Fourth Proportional to 13,041.60, 17,985.28 and 8,727.04

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Solution

The fourth proportional to 13,041.60, 17,985.28 and 8,727.04 is: 12,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.60 : 17,985.28 = 8,727.04 : x
  2. Step 2: Convert to fraction form
    13,041.60/17,985.28 = 8,727.04/x
  3. Step 3: Cross multiply
    13,041.60x = 17,985.28 × 8,727.04
  4. Step 4: Simplify right side
    13,041.60x = 156,958,257.97
  5. Step 5: Solve for x
    x = 156,958,257.97/13,041.60
  6. Step 6: Final answer
    x = 12,035.20

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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.