Home / 19,126.20-28,679.40-5,975.04

Finding the Fourth Proportional to 19,126.20, 28,679.40 and 5,975.04

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Solution

The fourth proportional to 19,126.20, 28,679.40 and 5,975.04 is: 8,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.20 : 28,679.40 = 5,975.04 : x
  2. Step 2: Convert to fraction form
    19,126.20/28,679.40 = 5,975.04/x
  3. Step 3: Cross multiply
    19,126.20x = 28,679.40 × 5,975.04
  4. Step 4: Simplify right side
    19,126.20x = 171,360,562.18
  5. Step 5: Solve for x
    x = 171,360,562.18/19,126.20
  6. Step 6: Final answer
    x = 8,959.47

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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.