Home / 17,572.18-26,361.80-6,478.92

Finding the Fourth Proportional to 17,572.18, 26,361.80 and 6,478.92

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Solution

The fourth proportional to 17,572.18, 26,361.80 and 6,478.92 is: 9,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,572.18 : 26,361.80 = 6,478.92 : x
  2. Step 2: Convert to fraction form
    17,572.18/26,361.80 = 6,478.92/x
  3. Step 3: Cross multiply
    17,572.18x = 26,361.80 × 6,478.92
  4. Step 4: Simplify right side
    17,572.18x = 170,795,993.26
  5. Step 5: Solve for x
    x = 170,795,993.26/17,572.18
  6. Step 6: Final answer
    x = 9,719.68

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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.