Home / 14,868.87-20,515.66-10,089.46

Finding the Fourth Proportional to 14,868.87, 20,515.66 and 10,089.46

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Solution

The fourth proportional to 14,868.87, 20,515.66 and 10,089.46 is: 13,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,868.87 : 20,515.66 = 10,089.46 : x
  2. Step 2: Convert to fraction form
    14,868.87/20,515.66 = 10,089.46/x
  3. Step 3: Cross multiply
    14,868.87x = 20,515.66 × 10,089.46
  4. Step 4: Simplify right side
    14,868.87x = 206,991,930.94
  5. Step 5: Solve for x
    x = 206,991,930.94/14,868.87
  6. Step 6: Final answer
    x = 13,921.16

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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.