Home / 14,505.65-20,017.62-8,132.21

Finding the Fourth Proportional to 14,505.65, 20,017.62 and 8,132.21

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Solution

The fourth proportional to 14,505.65, 20,017.62 and 8,132.21 is: 11,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.65 : 20,017.62 = 8,132.21 : x
  2. Step 2: Convert to fraction form
    14,505.65/20,017.62 = 8,132.21/x
  3. Step 3: Cross multiply
    14,505.65x = 20,017.62 × 8,132.21
  4. Step 4: Simplify right side
    14,505.65x = 162,787,389.45
  5. Step 5: Solve for x
    x = 162,787,389.45/14,505.65
  6. Step 6: Final answer
    x = 11,222.35

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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.