Home / 14,105.52-19,465.62-7,817.88

Finding the Fourth Proportional to 14,105.52, 19,465.62 and 7,817.88

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Solution

The fourth proportional to 14,105.52, 19,465.62 and 7,817.88 is: 10,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.52 : 19,465.62 = 7,817.88 : x
  2. Step 2: Convert to fraction form
    14,105.52/19,465.62 = 7,817.88/x
  3. Step 3: Cross multiply
    14,105.52x = 19,465.62 × 7,817.88
  4. Step 4: Simplify right side
    14,105.52x = 152,179,881.29
  5. Step 5: Solve for x
    x = 152,179,881.29/14,105.52
  6. Step 6: Final answer
    x = 10,788.68

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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.