Home / 19,947.25-27,527.09-10,872.60

Finding the Fourth Proportional to 19,947.25, 27,527.09 and 10,872.60

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Solution

The fourth proportional to 19,947.25, 27,527.09 and 10,872.60 is: 15,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.25 : 27,527.09 = 10,872.60 : x
  2. Step 2: Convert to fraction form
    19,947.25/27,527.09 = 10,872.60/x
  3. Step 3: Cross multiply
    19,947.25x = 27,527.09 × 10,872.60
  4. Step 4: Simplify right side
    19,947.25x = 299,291,038.73
  5. Step 5: Solve for x
    x = 299,291,038.73/19,947.25
  6. Step 6: Final answer
    x = 15,004.13

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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.