Home / 19,615.40-27,084.52-12,065.23

Finding the Fourth Proportional to 19,615.40, 27,084.52 and 12,065.23

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Solution

The fourth proportional to 19,615.40, 27,084.52 and 12,065.23 is: 16,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.40 : 27,084.52 = 12,065.23 : x
  2. Step 2: Convert to fraction form
    19,615.40/27,084.52 = 12,065.23/x
  3. Step 3: Cross multiply
    19,615.40x = 27,084.52 × 12,065.23
  4. Step 4: Simplify right side
    19,615.40x = 326,780,963.24
  5. Step 5: Solve for x
    x = 326,780,963.24/19,615.40
  6. Step 6: Final answer
    x = 16,659.41

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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.