Home / 26,937.94-40,409.65-7,218.49

Finding the Fourth Proportional to 26,937.94, 40,409.65 and 7,218.49

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Solution

The fourth proportional to 26,937.94, 40,409.65 and 7,218.49 is: 10,828.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,937.94 : 40,409.65 = 7,218.49 : x
  2. Step 2: Convert to fraction form
    26,937.94/40,409.65 = 7,218.49/x
  3. Step 3: Cross multiply
    26,937.94x = 40,409.65 × 7,218.49
  4. Step 4: Simplify right side
    26,937.94x = 291,696,654.43
  5. Step 5: Solve for x
    x = 291,696,654.43/26,937.94
  6. Step 6: Final answer
    x = 10,828.47

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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.