Home / 26,555.04-36,622.32-20,956.32

Finding the Fourth Proportional to 26,555.04, 36,622.32 and 20,956.32

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Solution

The fourth proportional to 26,555.04, 36,622.32 and 20,956.32 is: 28,901.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.04 : 36,622.32 = 20,956.32 : x
  2. Step 2: Convert to fraction form
    26,555.04/36,622.32 = 20,956.32/x
  3. Step 3: Cross multiply
    26,555.04x = 36,622.32 × 20,956.32
  4. Step 4: Simplify right side
    26,555.04x = 767,469,057.06
  5. Step 5: Solve for x
    x = 767,469,057.06/26,555.04
  6. Step 6: Final answer
    x = 28,901.07

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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.