Home / 11,625.60-17,421.12-11,228.16

Finding the Fourth Proportional to 11,625.60, 17,421.12 and 11,228.16

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Solution

The fourth proportional to 11,625.60, 17,421.12 and 11,228.16 is: 16,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.60 : 17,421.12 = 11,228.16 : x
  2. Step 2: Convert to fraction form
    11,625.60/17,421.12 = 11,228.16/x
  3. Step 3: Cross multiply
    11,625.60x = 17,421.12 × 11,228.16
  4. Step 4: Simplify right side
    11,625.60x = 195,607,122.74
  5. Step 5: Solve for x
    x = 195,607,122.74/11,625.60
  6. Step 6: Final answer
    x = 16,825.55

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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.