Home / 19,652.18-27,113.85-11,153.66

Finding the Fourth Proportional to 19,652.18, 27,113.85 and 11,153.66

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Solution

The fourth proportional to 19,652.18, 27,113.85 and 11,153.66 is: 15,388.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.18 : 27,113.85 = 11,153.66 : x
  2. Step 2: Convert to fraction form
    19,652.18/27,113.85 = 11,153.66/x
  3. Step 3: Cross multiply
    19,652.18x = 27,113.85 × 11,153.66
  4. Step 4: Simplify right side
    19,652.18x = 302,418,528.62
  5. Step 5: Solve for x
    x = 302,418,528.62/19,652.18
  6. Step 6: Final answer
    x = 15,388.55

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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.