Home / 17,572.18-26,361.79-6,478.91

Finding the Fourth Proportional to 17,572.18, 26,361.79 and 6,478.91

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Solution

The fourth proportional to 17,572.18, 26,361.79 and 6,478.91 is: 9,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,572.18 : 26,361.79 = 6,478.91 : x
  2. Step 2: Convert to fraction form
    17,572.18/26,361.79 = 6,478.91/x
  3. Step 3: Cross multiply
    17,572.18x = 26,361.79 × 6,478.91
  4. Step 4: Simplify right side
    17,572.18x = 170,795,664.85
  5. Step 5: Solve for x
    x = 170,795,664.85/17,572.18
  6. Step 6: Final answer
    x = 9,719.66

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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.