Home / 25,648.94-38,473.08-8,118.74

Finding the Fourth Proportional to 25,648.94, 38,473.08 and 8,118.74

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Solution

The fourth proportional to 25,648.94, 38,473.08 and 8,118.74 is: 12,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.94 : 38,473.08 = 8,118.74 : x
  2. Step 2: Convert to fraction form
    25,648.94/38,473.08 = 8,118.74/x
  3. Step 3: Cross multiply
    25,648.94x = 38,473.08 × 8,118.74
  4. Step 4: Simplify right side
    25,648.94x = 312,352,933.52
  5. Step 5: Solve for x
    x = 312,352,933.52/25,648.94
  6. Step 6: Final answer
    x = 12,178.01

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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.