Home / 39,356.16-59,044.08-11,278.56

Finding the Fourth Proportional to 39,356.16, 59,044.08 and 11,278.56

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Solution

The fourth proportional to 39,356.16, 59,044.08 and 11,278.56 is: 16,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,356.16 : 59,044.08 = 11,278.56 : x
  2. Step 2: Convert to fraction form
    39,356.16/59,044.08 = 11,278.56/x
  3. Step 3: Cross multiply
    39,356.16x = 59,044.08 × 11,278.56
  4. Step 4: Simplify right side
    39,356.16x = 665,932,198.92
  5. Step 5: Solve for x
    x = 665,932,198.92/39,356.16
  6. Step 6: Final answer
    x = 16,920.66

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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.