Home / 14,631.12-21,949.48-7,614.48

Finding the Fourth Proportional to 14,631.12, 21,949.48 and 7,614.48

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Solution

The fourth proportional to 14,631.12, 21,949.48 and 7,614.48 is: 11,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.12 : 21,949.48 = 7,614.48 : x
  2. Step 2: Convert to fraction form
    14,631.12/21,949.48 = 7,614.48/x
  3. Step 3: Cross multiply
    14,631.12x = 21,949.48 × 7,614.48
  4. Step 4: Simplify right side
    14,631.12x = 167,133,876.47
  5. Step 5: Solve for x
    x = 167,133,876.47/14,631.12
  6. Step 6: Final answer
    x = 11,423.18

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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.