Home / 13,851.79-19,116.98-8,546.47

Finding the Fourth Proportional to 13,851.79, 19,116.98 and 8,546.47

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Solution

The fourth proportional to 13,851.79, 19,116.98 and 8,546.47 is: 11,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.79 : 19,116.98 = 8,546.47 : x
  2. Step 2: Convert to fraction form
    13,851.79/19,116.98 = 8,546.47/x
  3. Step 3: Cross multiply
    13,851.79x = 19,116.98 × 8,546.47
  4. Step 4: Simplify right side
    13,851.79x = 163,382,653.33
  5. Step 5: Solve for x
    x = 163,382,653.33/13,851.79
  6. Step 6: Final answer
    x = 11,795.06

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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.