Home / 13,851.53-19,116.26-11,326.55

Finding the Fourth Proportional to 13,851.53, 19,116.26 and 11,326.55

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Solution

The fourth proportional to 13,851.53, 19,116.26 and 11,326.55 is: 15,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.53 : 19,116.26 = 11,326.55 : x
  2. Step 2: Convert to fraction form
    13,851.53/19,116.26 = 11,326.55/x
  3. Step 3: Cross multiply
    13,851.53x = 19,116.26 × 11,326.55
  4. Step 4: Simplify right side
    13,851.53x = 216,521,122.49
  5. Step 5: Solve for x
    x = 216,521,122.49/13,851.53
  6. Step 6: Final answer
    x = 15,631.57

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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.