Home / 19,615.46-27,061.02-11,656.15

Finding the Fourth Proportional to 19,615.46, 27,061.02 and 11,656.15

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Solution

The fourth proportional to 19,615.46, 27,061.02 and 11,656.15 is: 16,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.46 : 27,061.02 = 11,656.15 : x
  2. Step 2: Convert to fraction form
    19,615.46/27,061.02 = 11,656.15/x
  3. Step 3: Cross multiply
    19,615.46x = 27,061.02 × 11,656.15
  4. Step 4: Simplify right side
    19,615.46x = 315,427,240.62
  5. Step 5: Solve for x
    x = 315,427,240.62/19,615.46
  6. Step 6: Final answer
    x = 16,080.55

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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.