Home / 26,436.75-36,485.96-15,258.75

Finding the Fourth Proportional to 26,436.75, 36,485.96 and 15,258.75

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Solution

The fourth proportional to 26,436.75, 36,485.96 and 15,258.75 is: 21,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,436.75 : 36,485.96 = 15,258.75 : x
  2. Step 2: Convert to fraction form
    26,436.75/36,485.96 = 15,258.75/x
  3. Step 3: Cross multiply
    26,436.75x = 36,485.96 × 15,258.75
  4. Step 4: Simplify right side
    26,436.75x = 556,730,065.86
  5. Step 5: Solve for x
    x = 556,730,065.86/26,436.75
  6. Step 6: Final answer
    x = 21,058.95

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Half 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.