Home / 13,817.26-19,068.14-8,153.40

Finding the Fourth Proportional to 13,817.26, 19,068.14 and 8,153.40

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Solution

The fourth proportional to 13,817.26, 19,068.14 and 8,153.40 is: 11,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.26 : 19,068.14 = 8,153.40 : x
  2. Step 2: Convert to fraction form
    13,817.26/19,068.14 = 8,153.40/x
  3. Step 3: Cross multiply
    13,817.26x = 19,068.14 × 8,153.40
  4. Step 4: Simplify right side
    13,817.26x = 155,470,172.68
  5. Step 5: Solve for x
    x = 155,470,172.68/13,817.26
  6. Step 6: Final answer
    x = 11,251.88

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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.