Home / 21,666.12-32,500.34-6,876.20

Finding the Fourth Proportional to 21,666.12, 32,500.34 and 6,876.20

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Solution

The fourth proportional to 21,666.12, 32,500.34 and 6,876.20 is: 10,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666.12 : 32,500.34 = 6,876.20 : x
  2. Step 2: Convert to fraction form
    21,666.12/32,500.34 = 6,876.20/x
  3. Step 3: Cross multiply
    21,666.12x = 32,500.34 × 6,876.20
  4. Step 4: Simplify right side
    21,666.12x = 223,478,641.03
  5. Step 5: Solve for x
    x = 223,478,641.03/21,666.12
  6. Step 6: Final answer
    x = 10,314.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.