Home / 25,225.92-34,796.88-15,778.08

Finding the Fourth Proportional to 25,225.92, 34,796.88 and 15,778.08

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Solution

The fourth proportional to 25,225.92, 34,796.88 and 15,778.08 is: 21,764.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,225.92 : 34,796.88 = 15,778.08 : x
  2. Step 2: Convert to fraction form
    25,225.92/34,796.88 = 15,778.08/x
  3. Step 3: Cross multiply
    25,225.92x = 34,796.88 × 15,778.08
  4. Step 4: Simplify right side
    25,225.92x = 549,027,956.39
  5. Step 5: Solve for x
    x = 549,027,956.39/25,225.92
  6. Step 6: Final answer
    x = 21,764.44

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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.