Home / 25,221.65-34,805.36-15,795.41

Finding the Fourth Proportional to 25,221.65, 34,805.36 and 15,795.41

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Solution

The fourth proportional to 25,221.65, 34,805.36 and 15,795.41 is: 21,797.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,221.65 : 34,805.36 = 15,795.41 : x
  2. Step 2: Convert to fraction form
    25,221.65/34,805.36 = 15,795.41/x
  3. Step 3: Cross multiply
    25,221.65x = 34,805.36 × 15,795.41
  4. Step 4: Simplify right side
    25,221.65x = 549,764,796.86
  5. Step 5: Solve for x
    x = 549,764,796.86/25,221.65
  6. Step 6: Final answer
    x = 21,797.34

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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.