Home / 17,866.81-24,648.11-11,154.09

Finding the Fourth Proportional to 17,866.81, 24,648.11 and 11,154.09

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Solution

The fourth proportional to 17,866.81, 24,648.11 and 11,154.09 is: 15,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,866.81 : 24,648.11 = 11,154.09 : x
  2. Step 2: Convert to fraction form
    17,866.81/24,648.11 = 11,154.09/x
  3. Step 3: Cross multiply
    17,866.81x = 24,648.11 × 11,154.09
  4. Step 4: Simplify right side
    17,866.81x = 274,927,223.33
  5. Step 5: Solve for x
    x = 274,927,223.33/17,866.81
  6. Step 6: Final answer
    x = 15,387.60

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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.