Home / 23,280.56-34,920.36-9,238.40

Finding the Fourth Proportional to 23,280.56, 34,920.36 and 9,238.40

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Solution

The fourth proportional to 23,280.56, 34,920.36 and 9,238.40 is: 13,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.56 : 34,920.36 = 9,238.40 : x
  2. Step 2: Convert to fraction form
    23,280.56/34,920.36 = 9,238.40/x
  3. Step 3: Cross multiply
    23,280.56x = 34,920.36 × 9,238.40
  4. Step 4: Simplify right side
    23,280.56x = 322,608,253.82
  5. Step 5: Solve for x
    x = 322,608,253.82/23,280.56
  6. Step 6: Final answer
    x = 13,857.41

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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.