Home / 17,328.21-25,991.70-5,641.13

Finding the Fourth Proportional to 17,328.21, 25,991.70 and 5,641.13

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Solution

The fourth proportional to 17,328.21, 25,991.70 and 5,641.13 is: 8,461.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,328.21 : 25,991.70 = 5,641.13 : x
  2. Step 2: Convert to fraction form
    17,328.21/25,991.70 = 5,641.13/x
  3. Step 3: Cross multiply
    17,328.21x = 25,991.70 × 5,641.13
  4. Step 4: Simplify right side
    17,328.21x = 146,622,428.66
  5. Step 5: Solve for x
    x = 146,622,428.66/17,328.21
  6. Step 6: Final answer
    x = 8,461.49

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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.