Home / 20,496.87-28,283.33-11,544.14

Finding the Fourth Proportional to 20,496.87, 28,283.33 and 11,544.14

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Solution

The fourth proportional to 20,496.87, 28,283.33 and 11,544.14 is: 15,929.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.87 : 28,283.33 = 11,544.14 : x
  2. Step 2: Convert to fraction form
    20,496.87/28,283.33 = 11,544.14/x
  3. Step 3: Cross multiply
    20,496.87x = 28,283.33 × 11,544.14
  4. Step 4: Simplify right side
    20,496.87x = 326,506,820.75
  5. Step 5: Solve for x
    x = 326,506,820.75/20,496.87
  6. Step 6: Final answer
    x = 15,929.59

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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.