Home / 23,409.28-32,132.84-20,697.28

Finding the Fourth Proportional to 23,409.28, 32,132.84 and 20,697.28

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Solution

The fourth proportional to 23,409.28, 32,132.84 and 20,697.28 is: 28,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,409.28 : 32,132.84 = 20,697.28 : x
  2. Step 2: Convert to fraction form
    23,409.28/32,132.84 = 20,697.28/x
  3. Step 3: Cross multiply
    23,409.28x = 32,132.84 × 20,697.28
  4. Step 4: Simplify right side
    23,409.28x = 665,062,386.68
  5. Step 5: Solve for x
    x = 665,062,386.68/23,409.28
  6. Step 6: Final answer
    x = 28,410.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.