Home / 16,947.21-25,421.12-5,260.13

Finding the Fourth Proportional to 16,947.21, 25,421.12 and 5,260.13

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Solution

The fourth proportional to 16,947.21, 25,421.12 and 5,260.13 is: 7,890.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.21 : 25,421.12 = 5,260.13 : x
  2. Step 2: Convert to fraction form
    16,947.21/25,421.12 = 5,260.13/x
  3. Step 3: Cross multiply
    16,947.21x = 25,421.12 × 5,260.13
  4. Step 4: Simplify right side
    16,947.21x = 133,718,395.95
  5. Step 5: Solve for x
    x = 133,718,395.95/16,947.21
  6. Step 6: Final answer
    x = 7,890.29

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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.