Home / 15,033.42-20,744.10-8,983.62

Finding the Fourth Proportional to 15,033.42, 20,744.10 and 8,983.62

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Solution

The fourth proportional to 15,033.42, 20,744.10 and 8,983.62 is: 12,396.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033.42 : 20,744.10 = 8,983.62 : x
  2. Step 2: Convert to fraction form
    15,033.42/20,744.10 = 8,983.62/x
  3. Step 3: Cross multiply
    15,033.42x = 20,744.10 × 8,983.62
  4. Step 4: Simplify right side
    15,033.42x = 186,357,111.64
  5. Step 5: Solve for x
    x = 186,357,111.64/15,033.42
  6. Step 6: Final answer
    x = 12,396.19

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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.