Home / 13,711.07-20,574.61-5,813.17

Finding the Fourth Proportional to 13,711.07, 20,574.61 and 5,813.17

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Solution

The fourth proportional to 13,711.07, 20,574.61 and 5,813.17 is: 8,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.07 : 20,574.61 = 5,813.17 : x
  2. Step 2: Convert to fraction form
    13,711.07/20,574.61 = 5,813.17/x
  3. Step 3: Cross multiply
    13,711.07x = 20,574.61 × 5,813.17
  4. Step 4: Simplify right side
    13,711.07x = 119,603,639.64
  5. Step 5: Solve for x
    x = 119,603,639.64/13,711.07
  6. Step 6: Final answer
    x = 8,723.14

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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.