Home / 13,141.28-19,713.52-5,349.04

Finding the Fourth Proportional to 13,141.28, 19,713.52 and 5,349.04

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Solution

The fourth proportional to 13,141.28, 19,713.52 and 5,349.04 is: 8,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.28 : 19,713.52 = 5,349.04 : x
  2. Step 2: Convert to fraction form
    13,141.28/19,713.52 = 5,349.04/x
  3. Step 3: Cross multiply
    13,141.28x = 19,713.52 × 5,349.04
  4. Step 4: Simplify right side
    13,141.28x = 105,448,407.02
  5. Step 5: Solve for x
    x = 105,448,407.02/13,141.28
  6. Step 6: Final answer
    x = 8,024.21

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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.