Home / 26,826.14-37,056.76-21,784.70

Finding the Fourth Proportional to 26,826.14, 37,056.76 and 21,784.70

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Solution

The fourth proportional to 26,826.14, 37,056.76 and 21,784.70 is: 30,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,826.14 : 37,056.76 = 21,784.70 : x
  2. Step 2: Convert to fraction form
    26,826.14/37,056.76 = 21,784.70/x
  3. Step 3: Cross multiply
    26,826.14x = 37,056.76 × 21,784.70
  4. Step 4: Simplify right side
    26,826.14x = 807,270,399.57
  5. Step 5: Solve for x
    x = 807,270,399.57/26,826.14
  6. Step 6: Final answer
    x = 30,092.68

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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.