Home / 14,047.97-19,386.75-8,079.63

Finding the Fourth Proportional to 14,047.97, 19,386.75 and 8,079.63

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Solution

The fourth proportional to 14,047.97, 19,386.75 and 8,079.63 is: 11,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.97 : 19,386.75 = 8,079.63 : x
  2. Step 2: Convert to fraction form
    14,047.97/19,386.75 = 8,079.63/x
  3. Step 3: Cross multiply
    14,047.97x = 19,386.75 × 8,079.63
  4. Step 4: Simplify right side
    14,047.97x = 156,637,797.20
  5. Step 5: Solve for x
    x = 156,637,797.20/14,047.97
  6. Step 6: Final answer
    x = 11,150.21

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Half scale
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Double scale
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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.