Home / 25,466.96-38,165.52-19,221.68

Finding the Fourth Proportional to 25,466.96, 38,165.52 and 19,221.68

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Solution

The fourth proportional to 25,466.96, 38,165.52 and 19,221.68 is: 28,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,466.96 : 38,165.52 = 19,221.68 : x
  2. Step 2: Convert to fraction form
    25,466.96/38,165.52 = 19,221.68/x
  3. Step 3: Cross multiply
    25,466.96x = 38,165.52 × 19,221.68
  4. Step 4: Simplify right side
    25,466.96x = 733,605,412.47
  5. Step 5: Solve for x
    x = 733,605,412.47/25,466.96
  6. Step 6: Final answer
    x = 28,806.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.