Home / 26,927.84-40,412.68-18,665.68

Finding the Fourth Proportional to 26,927.84, 40,412.68 and 18,665.68

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Solution

The fourth proportional to 26,927.84, 40,412.68 and 18,665.68 is: 28,013.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,927.84 : 40,412.68 = 18,665.68 : x
  2. Step 2: Convert to fraction form
    26,927.84/40,412.68 = 18,665.68/x
  3. Step 3: Cross multiply
    26,927.84x = 40,412.68 × 18,665.68
  4. Step 4: Simplify right side
    26,927.84x = 754,330,152.82
  5. Step 5: Solve for x
    x = 754,330,152.82/26,927.84
  6. Step 6: Final answer
    x = 28,013.02

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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.