Home / 14,048.72-19,387.28-7,761.08

Finding the Fourth Proportional to 14,048.72, 19,387.28 and 7,761.08

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Solution

The fourth proportional to 14,048.72, 19,387.28 and 7,761.08 is: 10,710.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.72 : 19,387.28 = 7,761.08 : x
  2. Step 2: Convert to fraction form
    14,048.72/19,387.28 = 7,761.08/x
  3. Step 3: Cross multiply
    14,048.72x = 19,387.28 × 7,761.08
  4. Step 4: Simplify right side
    14,048.72x = 150,466,231.06
  5. Step 5: Solve for x
    x = 150,466,231.06/14,048.72
  6. Step 6: Final answer
    x = 10,710.32

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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.