Home / 23,108.60-34,679.10-9,970.40

Finding the Fourth Proportional to 23,108.60, 34,679.10 and 9,970.40

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Solution

The fourth proportional to 23,108.60, 34,679.10 and 9,970.40 is: 14,962.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.60 : 34,679.10 = 9,970.40 : x
  2. Step 2: Convert to fraction form
    23,108.60/34,679.10 = 9,970.40/x
  3. Step 3: Cross multiply
    23,108.60x = 34,679.10 × 9,970.40
  4. Step 4: Simplify right side
    23,108.60x = 345,764,498.64
  5. Step 5: Solve for x
    x = 345,764,498.64/23,108.60
  6. Step 6: Final answer
    x = 14,962.59

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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.