Home / 12,834.40-19,217.04-9,314.32

Finding the Fourth Proportional to 12,834.40, 19,217.04 and 9,314.32

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Solution

The fourth proportional to 12,834.40, 19,217.04 and 9,314.32 is: 13,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834.40 : 19,217.04 = 9,314.32 : x
  2. Step 2: Convert to fraction form
    12,834.40/19,217.04 = 9,314.32/x
  3. Step 3: Cross multiply
    12,834.40x = 19,217.04 × 9,314.32
  4. Step 4: Simplify right side
    12,834.40x = 178,993,660.01
  5. Step 5: Solve for x
    x = 178,993,660.01/12,834.40
  6. Step 6: Final answer
    x = 13,946.40

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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.