Home / 21,449.01-32,180.20-10,353.77

Finding the Fourth Proportional to 21,449.01, 32,180.20 and 10,353.77

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Solution

The fourth proportional to 21,449.01, 32,180.20 and 10,353.77 is: 15,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,449.01 : 32,180.20 = 10,353.77 : x
  2. Step 2: Convert to fraction form
    21,449.01/32,180.20 = 10,353.77/x
  3. Step 3: Cross multiply
    21,449.01x = 32,180.20 × 10,353.77
  4. Step 4: Simplify right side
    21,449.01x = 333,186,389.35
  5. Step 5: Solve for x
    x = 333,186,389.35/21,449.01
  6. Step 6: Final answer
    x = 15,533.88

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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.