Home / 25,947.08-35,806.02-15,871.76

Finding the Fourth Proportional to 25,947.08, 35,806.02 and 15,871.76

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Solution

The fourth proportional to 25,947.08, 35,806.02 and 15,871.76 is: 21,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,947.08 : 35,806.02 = 15,871.76 : x
  2. Step 2: Convert to fraction form
    25,947.08/35,806.02 = 15,871.76/x
  3. Step 3: Cross multiply
    25,947.08x = 35,806.02 × 15,871.76
  4. Step 4: Simplify right side
    25,947.08x = 568,304,556.00
  5. Step 5: Solve for x
    x = 568,304,556.00/25,947.08
  6. Step 6: Final answer
    x = 21,902.45

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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.