Home / 14,991.84-22,490.40-5,757.12

Finding the Fourth Proportional to 14,991.84, 22,490.40 and 5,757.12

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Solution

The fourth proportional to 14,991.84, 22,490.40 and 5,757.12 is: 8,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991.84 : 22,490.40 = 5,757.12 : x
  2. Step 2: Convert to fraction form
    14,991.84/22,490.40 = 5,757.12/x
  3. Step 3: Cross multiply
    14,991.84x = 22,490.40 × 5,757.12
  4. Step 4: Simplify right side
    14,991.84x = 129,479,931.65
  5. Step 5: Solve for x
    x = 129,479,931.65/14,991.84
  6. Step 6: Final answer
    x = 8,636.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.