Home / 14,920.73-20,589.60-8,547.35

Finding the Fourth Proportional to 14,920.73, 20,589.60 and 8,547.35

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Solution

The fourth proportional to 14,920.73, 20,589.60 and 8,547.35 is: 11,794.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.73 : 20,589.60 = 8,547.35 : x
  2. Step 2: Convert to fraction form
    14,920.73/20,589.60 = 8,547.35/x
  3. Step 3: Cross multiply
    14,920.73x = 20,589.60 × 8,547.35
  4. Step 4: Simplify right side
    14,920.73x = 175,986,371.88
  5. Step 5: Solve for x
    x = 175,986,371.88/14,920.73
  6. Step 6: Final answer
    x = 11,794.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.