Home / 34,905.76-52,327.65-12,715

Finding the Fourth Proportional to 34,905.76, 52,327.65 and 12,715

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Solution

The fourth proportional to 34,905.76, 52,327.65 and 12,715 is: 19,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,905.76 : 52,327.65 = 12,715 : x
  2. Step 2: Convert to fraction form
    34,905.76/52,327.65 = 12,715/x
  3. Step 3: Cross multiply
    34,905.76x = 52,327.65 × 12,715
  4. Step 4: Simplify right side
    34,905.76x = 665,346,069.75
  5. Step 5: Solve for x
    x = 665,346,069.75/34,905.76
  6. Step 6: Final answer
    x = 19,061.21

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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.