Home / 13,044.36-18,000.72-7,075.83

Finding the Fourth Proportional to 13,044.36, 18,000.72 and 7,075.83

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Solution

The fourth proportional to 13,044.36, 18,000.72 and 7,075.83 is: 9,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044.36 : 18,000.72 = 7,075.83 : x
  2. Step 2: Convert to fraction form
    13,044.36/18,000.72 = 7,075.83/x
  3. Step 3: Cross multiply
    13,044.36x = 18,000.72 × 7,075.83
  4. Step 4: Simplify right side
    13,044.36x = 127,370,034.60
  5. Step 5: Solve for x
    x = 127,370,034.60/13,044.36
  6. Step 6: Final answer
    x = 9,764.38

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Half scale
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Double scale
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Similar ratio
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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.