Home / 13,039.20-19,565.28-6,114.24

Finding the Fourth Proportional to 13,039.20, 19,565.28 and 6,114.24

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Solution

The fourth proportional to 13,039.20, 19,565.28 and 6,114.24 is: 9,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.20 : 19,565.28 = 6,114.24 : x
  2. Step 2: Convert to fraction form
    13,039.20/19,565.28 = 6,114.24/x
  3. Step 3: Cross multiply
    13,039.20x = 19,565.28 × 6,114.24
  4. Step 4: Simplify right side
    13,039.20x = 119,626,817.59
  5. Step 5: Solve for x
    x = 119,626,817.59/13,039.20
  6. Step 6: Final answer
    x = 9,174.40

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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.