Home / 15,711.68-23,551.81-8,694.84

Finding the Fourth Proportional to 15,711.68, 23,551.81 and 8,694.84

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Solution

The fourth proportional to 15,711.68, 23,551.81 and 8,694.84 is: 13,033.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.68 : 23,551.81 = 8,694.84 : x
  2. Step 2: Convert to fraction form
    15,711.68/23,551.81 = 8,694.84/x
  3. Step 3: Cross multiply
    15,711.68x = 23,551.81 × 8,694.84
  4. Step 4: Simplify right side
    15,711.68x = 204,779,176.19
  5. Step 5: Solve for x
    x = 204,779,176.19/15,711.68
  6. Step 6: Final answer
    x = 13,033.56

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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.