Home / 25,923.28-35,779.97-15,860.11

Finding the Fourth Proportional to 25,923.28, 35,779.97 and 15,860.11

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Solution

The fourth proportional to 25,923.28, 35,779.97 and 15,860.11 is: 21,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,923.28 : 35,779.97 = 15,860.11 : x
  2. Step 2: Convert to fraction form
    25,923.28/35,779.97 = 15,860.11/x
  3. Step 3: Cross multiply
    25,923.28x = 35,779.97 × 15,860.11
  4. Step 4: Simplify right side
    25,923.28x = 567,474,001.80
  5. Step 5: Solve for x
    x = 567,474,001.80/25,923.28
  6. Step 6: Final answer
    x = 21,890.52

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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.