Home / 26,926.84-40,411.18-18,664.68

Finding the Fourth Proportional to 26,926.84, 40,411.18 and 18,664.68

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Solution

The fourth proportional to 26,926.84, 40,411.18 and 18,664.68 is: 28,011.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,926.84 : 40,411.18 = 18,664.68 : x
  2. Step 2: Convert to fraction form
    26,926.84/40,411.18 = 18,664.68/x
  3. Step 3: Cross multiply
    26,926.84x = 40,411.18 × 18,664.68
  4. Step 4: Simplify right side
    26,926.84x = 754,261,743.12
  5. Step 5: Solve for x
    x = 754,261,743.12/26,926.84
  6. Step 6: Final answer
    x = 28,011.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.