Home / 25,273.50-34,890.39-15,851.58

Finding the Fourth Proportional to 25,273.50, 34,890.39 and 15,851.58

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Solution

The fourth proportional to 25,273.50, 34,890.39 and 15,851.58 is: 21,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,273.50 : 34,890.39 = 15,851.58 : x
  2. Step 2: Convert to fraction form
    25,273.50/34,890.39 = 15,851.58/x
  3. Step 3: Cross multiply
    25,273.50x = 34,890.39 × 15,851.58
  4. Step 4: Simplify right side
    25,273.50x = 553,067,808.32
  5. Step 5: Solve for x
    x = 553,067,808.32/25,273.50
  6. Step 6: Final answer
    x = 21,883.31

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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.