Home / 25,257.26-34,840.76-15,809.42

Finding the Fourth Proportional to 25,257.26, 34,840.76 and 15,809.42

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Solution

The fourth proportional to 25,257.26, 34,840.76 and 15,809.42 is: 21,808.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,257.26 : 34,840.76 = 15,809.42 : x
  2. Step 2: Convert to fraction form
    25,257.26/34,840.76 = 15,809.42/x
  3. Step 3: Cross multiply
    25,257.26x = 34,840.76 × 15,809.42
  4. Step 4: Simplify right side
    25,257.26x = 550,812,216.01
  5. Step 5: Solve for x
    x = 550,812,216.01/25,257.26
  6. Step 6: Final answer
    x = 21,808.07

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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.