Home / 26,439.93-39,660.99-6,719.01

Finding the Fourth Proportional to 26,439.93, 39,660.99 and 6,719.01

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Solution

The fourth proportional to 26,439.93, 39,660.99 and 6,719.01 is: 10,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,439.93 : 39,660.99 = 6,719.01 : x
  2. Step 2: Convert to fraction form
    26,439.93/39,660.99 = 6,719.01/x
  3. Step 3: Cross multiply
    26,439.93x = 39,660.99 × 6,719.01
  4. Step 4: Simplify right side
    26,439.93x = 266,482,588.42
  5. Step 5: Solve for x
    x = 266,482,588.42/26,439.93
  6. Step 6: Final answer
    x = 10,078.79

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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.