Home / 26,180.38-36,128.72-14,243.68

Finding the Fourth Proportional to 26,180.38, 36,128.72 and 14,243.68

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Solution

The fourth proportional to 26,180.38, 36,128.72 and 14,243.68 is: 19,656.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,180.38 : 36,128.72 = 14,243.68 : x
  2. Step 2: Convert to fraction form
    26,180.38/36,128.72 = 14,243.68/x
  3. Step 3: Cross multiply
    26,180.38x = 36,128.72 × 14,243.68
  4. Step 4: Simplify right side
    26,180.38x = 514,605,674.63
  5. Step 5: Solve for x
    x = 514,605,674.63/26,180.38
  6. Step 6: Final answer
    x = 19,656.16

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Half scale
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Find fourth proportional to 26,181.38, 36,130.09 and 14,244.68
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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.