Home / 17,920.66-26,875.86-5,436.94

Finding the Fourth Proportional to 17,920.66, 26,875.86 and 5,436.94

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Solution

The fourth proportional to 17,920.66, 26,875.86 and 5,436.94 is: 8,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.66 : 26,875.86 = 5,436.94 : x
  2. Step 2: Convert to fraction form
    17,920.66/26,875.86 = 5,436.94/x
  3. Step 3: Cross multiply
    17,920.66x = 26,875.86 × 5,436.94
  4. Step 4: Simplify right side
    17,920.66x = 146,122,438.27
  5. Step 5: Solve for x
    x = 146,122,438.27/17,920.66
  6. Step 6: Final answer
    x = 8,153.85

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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.