Home / 26,821.56-37,023-16,620.42

Finding the Fourth Proportional to 26,821.56, 37,023 and 16,620.42

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Solution

The fourth proportional to 26,821.56, 37,023 and 16,620.42 is: 22,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.56 : 37,023 = 16,620.42 : x
  2. Step 2: Convert to fraction form
    26,821.56/37,023 = 16,620.42/x
  3. Step 3: Cross multiply
    26,821.56x = 37,023 × 16,620.42
  4. Step 4: Simplify right side
    26,821.56x = 615,337,809.66
  5. Step 5: Solve for x
    x = 615,337,809.66/26,821.56
  6. Step 6: Final answer
    x = 22,941.91

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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.