Home / 14,543.28-21,814.92-4,155.03

Finding the Fourth Proportional to 14,543.28, 21,814.92 and 4,155.03

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Solution

The fourth proportional to 14,543.28, 21,814.92 and 4,155.03 is: 6,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.28 : 21,814.92 = 4,155.03 : x
  2. Step 2: Convert to fraction form
    14,543.28/21,814.92 = 4,155.03/x
  3. Step 3: Cross multiply
    14,543.28x = 21,814.92 × 4,155.03
  4. Step 4: Simplify right side
    14,543.28x = 90,641,647.05
  5. Step 5: Solve for x
    x = 90,641,647.05/14,543.28
  6. Step 6: Final answer
    x = 6,232.55

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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.