Home / 15,143.40-22,724.55-5,784.26

Finding the Fourth Proportional to 15,143.40, 22,724.55 and 5,784.26

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Solution

The fourth proportional to 15,143.40, 22,724.55 and 5,784.26 is: 8,679.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143.40 : 22,724.55 = 5,784.26 : x
  2. Step 2: Convert to fraction form
    15,143.40/22,724.55 = 5,784.26/x
  3. Step 3: Cross multiply
    15,143.40x = 22,724.55 × 5,784.26
  4. Step 4: Simplify right side
    15,143.40x = 131,444,591.96
  5. Step 5: Solve for x
    x = 131,444,591.96/15,143.40
  6. Step 6: Final answer
    x = 8,679.99

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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.