Home / 23,117.52-34,681.44-9,078.90

Finding the Fourth Proportional to 23,117.52, 34,681.44 and 9,078.90

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Solution

The fourth proportional to 23,117.52, 34,681.44 and 9,078.90 is: 13,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,117.52 : 34,681.44 = 9,078.90 : x
  2. Step 2: Convert to fraction form
    23,117.52/34,681.44 = 9,078.90/x
  3. Step 3: Cross multiply
    23,117.52x = 34,681.44 × 9,078.90
  4. Step 4: Simplify right side
    23,117.52x = 314,869,325.62
  5. Step 5: Solve for x
    x = 314,869,325.62/23,117.52
  6. Step 6: Final answer
    x = 13,620.38

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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.