Home / 23,078.40-34,615.80-9,035.70

Finding the Fourth Proportional to 23,078.40, 34,615.80 and 9,035.70

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Solution

The fourth proportional to 23,078.40, 34,615.80 and 9,035.70 is: 13,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,078.40 : 34,615.80 = 9,035.70 : x
  2. Step 2: Convert to fraction form
    23,078.40/34,615.80 = 9,035.70/x
  3. Step 3: Cross multiply
    23,078.40x = 34,615.80 × 9,035.70
  4. Step 4: Simplify right side
    23,078.40x = 312,777,984.06
  5. Step 5: Solve for x
    x = 312,777,984.06/23,078.40
  6. Step 6: Final answer
    x = 13,552.85

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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.