Home / 25,298.39-37,948.68-7,768.91

Finding the Fourth Proportional to 25,298.39, 37,948.68 and 7,768.91

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Solution

The fourth proportional to 25,298.39, 37,948.68 and 7,768.91 is: 11,653.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,298.39 : 37,948.68 = 7,768.91 : x
  2. Step 2: Convert to fraction form
    25,298.39/37,948.68 = 7,768.91/x
  3. Step 3: Cross multiply
    25,298.39x = 37,948.68 × 7,768.91
  4. Step 4: Simplify right side
    25,298.39x = 294,819,879.54
  5. Step 5: Solve for x
    x = 294,819,879.54/25,298.39
  6. Step 6: Final answer
    x = 11,653.70

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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.