Home / 16,778.01-23,153.70-9,225.11

Finding the Fourth Proportional to 16,778.01, 23,153.70 and 9,225.11

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Solution

The fourth proportional to 16,778.01, 23,153.70 and 9,225.11 is: 12,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.01 : 23,153.70 = 9,225.11 : x
  2. Step 2: Convert to fraction form
    16,778.01/23,153.70 = 9,225.11/x
  3. Step 3: Cross multiply
    16,778.01x = 23,153.70 × 9,225.11
  4. Step 4: Simplify right side
    16,778.01x = 213,595,487.29
  5. Step 5: Solve for x
    x = 213,595,487.29/16,778.01
  6. Step 6: Final answer
    x = 12,730.68

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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.