Home / 22,911.10-34,366.65-11,218.30

Finding the Fourth Proportional to 22,911.10, 34,366.65 and 11,218.30

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Solution

The fourth proportional to 22,911.10, 34,366.65 and 11,218.30 is: 16,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,911.10 : 34,366.65 = 11,218.30 : x
  2. Step 2: Convert to fraction form
    22,911.10/34,366.65 = 11,218.30/x
  3. Step 3: Cross multiply
    22,911.10x = 34,366.65 × 11,218.30
  4. Step 4: Simplify right side
    22,911.10x = 385,535,389.70
  5. Step 5: Solve for x
    x = 385,535,389.70/22,911.10
  6. Step 6: Final answer
    x = 16,827.45

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1.5x scale

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.