Home / 15,747.04-21,750.42-11,433.25

Finding the Fourth Proportional to 15,747.04, 21,750.42 and 11,433.25

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Solution

The fourth proportional to 15,747.04, 21,750.42 and 11,433.25 is: 15,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.04 : 21,750.42 = 11,433.25 : x
  2. Step 2: Convert to fraction form
    15,747.04/21,750.42 = 11,433.25/x
  3. Step 3: Cross multiply
    15,747.04x = 21,750.42 × 11,433.25
  4. Step 4: Simplify right side
    15,747.04x = 248,677,989.47
  5. Step 5: Solve for x
    x = 248,677,989.47/15,747.04
  6. Step 6: Final answer
    x = 15,792.05

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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.