Home / 26,542.42-36,626.65-15,786.70

Finding the Fourth Proportional to 26,542.42, 36,626.65 and 15,786.70

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Solution

The fourth proportional to 26,542.42, 36,626.65 and 15,786.70 is: 21,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,542.42 : 36,626.65 = 15,786.70 : x
  2. Step 2: Convert to fraction form
    26,542.42/36,626.65 = 15,786.70/x
  3. Step 3: Cross multiply
    26,542.42x = 36,626.65 × 15,786.70
  4. Step 4: Simplify right side
    26,542.42x = 578,213,804.52
  5. Step 5: Solve for x
    x = 578,213,804.52/26,542.42
  6. Step 6: Final answer
    x = 21,784.52

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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.