Home / 22,723.60-34,077.12-7,928.32

Finding the Fourth Proportional to 22,723.60, 34,077.12 and 7,928.32

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Solution

The fourth proportional to 22,723.60, 34,077.12 and 7,928.32 is: 11,889.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,723.60 : 34,077.12 = 7,928.32 : x
  2. Step 2: Convert to fraction form
    22,723.60/34,077.12 = 7,928.32/x
  3. Step 3: Cross multiply
    22,723.60x = 34,077.12 × 7,928.32
  4. Step 4: Simplify right side
    22,723.60x = 270,174,312.04
  5. Step 5: Solve for x
    x = 270,174,312.04/22,723.60
  6. Step 6: Final answer
    x = 11,889.59

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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.