Home / 14,589.48-21,871.20-5,353.32

Finding the Fourth Proportional to 14,589.48, 21,871.20 and 5,353.32

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Solution

The fourth proportional to 14,589.48, 21,871.20 and 5,353.32 is: 8,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589.48 : 21,871.20 = 5,353.32 : x
  2. Step 2: Convert to fraction form
    14,589.48/21,871.20 = 5,353.32/x
  3. Step 3: Cross multiply
    14,589.48x = 21,871.20 × 5,353.32
  4. Step 4: Simplify right side
    14,589.48x = 117,083,532.38
  5. Step 5: Solve for x
    x = 117,083,532.38/14,589.48
  6. Step 6: Final answer
    x = 8,025.20

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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.