Home / 14,439.63-19,937.97-11,077.13

Finding the Fourth Proportional to 14,439.63, 19,937.97 and 11,077.13

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Solution

The fourth proportional to 14,439.63, 19,937.97 and 11,077.13 is: 15,295.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.63 : 19,937.97 = 11,077.13 : x
  2. Step 2: Convert to fraction form
    14,439.63/19,937.97 = 11,077.13/x
  3. Step 3: Cross multiply
    14,439.63x = 19,937.97 × 11,077.13
  4. Step 4: Simplify right side
    14,439.63x = 220,855,385.94
  5. Step 5: Solve for x
    x = 220,855,385.94/14,439.63
  6. Step 6: Final answer
    x = 15,295.09

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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.