Home / 25,749.17-38,624.43-8,218.98

Finding the Fourth Proportional to 25,749.17, 38,624.43 and 8,218.98

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Solution

The fourth proportional to 25,749.17, 38,624.43 and 8,218.98 is: 12,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,749.17 : 38,624.43 = 8,218.98 : x
  2. Step 2: Convert to fraction form
    25,749.17/38,624.43 = 8,218.98/x
  3. Step 3: Cross multiply
    25,749.17x = 38,624.43 × 8,218.98
  4. Step 4: Simplify right side
    25,749.17x = 317,453,417.68
  5. Step 5: Solve for x
    x = 317,453,417.68/25,749.17
  6. Step 6: Final answer
    x = 12,328.69

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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.