Home / 14,982.12-20,675.10-8,176.08

Finding the Fourth Proportional to 14,982.12, 20,675.10 and 8,176.08

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Solution

The fourth proportional to 14,982.12, 20,675.10 and 8,176.08 is: 11,282.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,982.12 : 20,675.10 = 8,176.08 : x
  2. Step 2: Convert to fraction form
    14,982.12/20,675.10 = 8,176.08/x
  3. Step 3: Cross multiply
    14,982.12x = 20,675.10 × 8,176.08
  4. Step 4: Simplify right side
    14,982.12x = 169,041,271.61
  5. Step 5: Solve for x
    x = 169,041,271.61/14,982.12
  6. Step 6: Final answer
    x = 11,282.87

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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.