Home / 19,591.66-27,016.95-12,515.50

Finding the Fourth Proportional to 19,591.66, 27,016.95 and 12,515.50

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Solution

The fourth proportional to 19,591.66, 27,016.95 and 12,515.50 is: 17,258.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.66 : 27,016.95 = 12,515.50 : x
  2. Step 2: Convert to fraction form
    19,591.66/27,016.95 = 12,515.50/x
  3. Step 3: Cross multiply
    19,591.66x = 27,016.95 × 12,515.50
  4. Step 4: Simplify right side
    19,591.66x = 338,130,637.73
  5. Step 5: Solve for x
    x = 338,130,637.73/19,591.66
  6. Step 6: Final answer
    x = 17,258.91

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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.