Home / 16,920.68-25,383.18-6,531.08

Finding the Fourth Proportional to 16,920.68, 25,383.18 and 6,531.08

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Solution

The fourth proportional to 16,920.68, 25,383.18 and 6,531.08 is: 9,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.68 : 25,383.18 = 6,531.08 : x
  2. Step 2: Convert to fraction form
    16,920.68/25,383.18 = 6,531.08/x
  3. Step 3: Cross multiply
    16,920.68x = 25,383.18 × 6,531.08
  4. Step 4: Simplify right side
    16,920.68x = 165,779,579.23
  5. Step 5: Solve for x
    x = 165,779,579.23/16,920.68
  6. Step 6: Final answer
    x = 9,797.45

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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.