Home / 25,588.92-38,387.43-7,578.98

Finding the Fourth Proportional to 25,588.92, 38,387.43 and 7,578.98

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Solution

The fourth proportional to 25,588.92, 38,387.43 and 7,578.98 is: 11,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,588.92 : 38,387.43 = 7,578.98 : x
  2. Step 2: Convert to fraction form
    25,588.92/38,387.43 = 7,578.98/x
  3. Step 3: Cross multiply
    25,588.92x = 38,387.43 × 7,578.98
  4. Step 4: Simplify right side
    25,588.92x = 290,937,334.39
  5. Step 5: Solve for x
    x = 290,937,334.39/25,588.92
  6. Step 6: Final answer
    x = 11,369.66

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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.