Home / 26,190.86-36,143.38-14,254.28

Finding the Fourth Proportional to 26,190.86, 36,143.38 and 14,254.28

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Solution

The fourth proportional to 26,190.86, 36,143.38 and 14,254.28 is: 19,670.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,190.86 : 36,143.38 = 14,254.28 : x
  2. Step 2: Convert to fraction form
    26,190.86/36,143.38 = 14,254.28/x
  3. Step 3: Cross multiply
    26,190.86x = 36,143.38 × 14,254.28
  4. Step 4: Simplify right side
    26,190.86x = 515,197,894.30
  5. Step 5: Solve for x
    x = 515,197,894.30/26,190.86
  6. Step 6: Final answer
    x = 19,670.91

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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.