Home / 13,966.43-19,274.57-7,834.71

Finding the Fourth Proportional to 13,966.43, 19,274.57 and 7,834.71

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Solution

The fourth proportional to 13,966.43, 19,274.57 and 7,834.71 is: 10,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.43 : 19,274.57 = 7,834.71 : x
  2. Step 2: Convert to fraction form
    13,966.43/19,274.57 = 7,834.71/x
  3. Step 3: Cross multiply
    13,966.43x = 19,274.57 × 7,834.71
  4. Step 4: Simplify right side
    13,966.43x = 151,010,627.15
  5. Step 5: Solve for x
    x = 151,010,627.15/13,966.43
  6. Step 6: Final answer
    x = 10,812.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.