Home / 16,501.41-22,771.67-9,331.20

Finding the Fourth Proportional to 16,501.41, 22,771.67 and 9,331.20

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Solution

The fourth proportional to 16,501.41, 22,771.67 and 9,331.20 is: 12,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,501.41 : 22,771.67 = 9,331.20 : x
  2. Step 2: Convert to fraction form
    16,501.41/22,771.67 = 9,331.20/x
  3. Step 3: Cross multiply
    16,501.41x = 22,771.67 × 9,331.20
  4. Step 4: Simplify right side
    16,501.41x = 212,486,960.45
  5. Step 5: Solve for x
    x = 212,486,960.45/16,501.41
  6. Step 6: Final answer
    x = 12,876.90

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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.