Home / 26,533.68-36,616.80-15,203.64

Finding the Fourth Proportional to 26,533.68, 36,616.80 and 15,203.64

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Solution

The fourth proportional to 26,533.68, 36,616.80 and 15,203.64 is: 20,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,533.68 : 36,616.80 = 15,203.64 : x
  2. Step 2: Convert to fraction form
    26,533.68/36,616.80 = 15,203.64/x
  3. Step 3: Cross multiply
    26,533.68x = 36,616.80 × 15,203.64
  4. Step 4: Simplify right side
    26,533.68x = 556,708,645.15
  5. Step 5: Solve for x
    x = 556,708,645.15/26,533.68
  6. Step 6: Final answer
    x = 20,981.21

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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.