Home / 21,722.01-32,572.08-10,612.05

Finding the Fourth Proportional to 21,722.01, 32,572.08 and 10,612.05

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Solution

The fourth proportional to 21,722.01, 32,572.08 and 10,612.05 is: 15,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,722.01 : 32,572.08 = 10,612.05 : x
  2. Step 2: Convert to fraction form
    21,722.01/32,572.08 = 10,612.05/x
  3. Step 3: Cross multiply
    21,722.01x = 32,572.08 × 10,612.05
  4. Step 4: Simplify right side
    21,722.01x = 345,656,541.56
  5. Step 5: Solve for x
    x = 345,656,541.56/21,722.01
  6. Step 6: Final answer
    x = 15,912.73

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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.