Home / 26,298.75-36,293.09-15,120.75

Finding the Fourth Proportional to 26,298.75, 36,293.09 and 15,120.75

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Solution

The fourth proportional to 26,298.75, 36,293.09 and 15,120.75 is: 20,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,298.75 : 36,293.09 = 15,120.75 : x
  2. Step 2: Convert to fraction form
    26,298.75/36,293.09 = 15,120.75/x
  3. Step 3: Cross multiply
    26,298.75x = 36,293.09 × 15,120.75
  4. Step 4: Simplify right side
    26,298.75x = 548,778,665.01
  5. Step 5: Solve for x
    x = 548,778,665.01/26,298.75
  6. Step 6: Final answer
    x = 20,867.10

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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.