Home / 15,466.11-21,348.38-11,002.81

Finding the Fourth Proportional to 15,466.11, 21,348.38 and 11,002.81

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Solution

The fourth proportional to 15,466.11, 21,348.38 and 11,002.81 is: 15,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.11 : 21,348.38 = 11,002.81 : x
  2. Step 2: Convert to fraction form
    15,466.11/21,348.38 = 11,002.81/x
  3. Step 3: Cross multiply
    15,466.11x = 21,348.38 × 11,002.81
  4. Step 4: Simplify right side
    15,466.11x = 234,892,113.93
  5. Step 5: Solve for x
    x = 234,892,113.93/15,466.11
  6. Step 6: Final answer
    x = 15,187.54

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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.