Home / 16,770.34-23,143.65-9,217.36

Finding the Fourth Proportional to 16,770.34, 23,143.65 and 9,217.36

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Solution

The fourth proportional to 16,770.34, 23,143.65 and 9,217.36 is: 12,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.34 : 23,143.65 = 9,217.36 : x
  2. Step 2: Convert to fraction form
    16,770.34/23,143.65 = 9,217.36/x
  3. Step 3: Cross multiply
    16,770.34x = 23,143.65 × 9,217.36
  4. Step 4: Simplify right side
    16,770.34x = 213,323,353.76
  5. Step 5: Solve for x
    x = 213,323,353.76/16,770.34
  6. Step 6: Final answer
    x = 12,720.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.