Home / 14,125-19,492.62-7,837.36

Finding the Fourth Proportional to 14,125, 19,492.62 and 7,837.36

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Solution

The fourth proportional to 14,125, 19,492.62 and 7,837.36 is: 10,815.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125 : 19,492.62 = 7,837.36 : x
  2. Step 2: Convert to fraction form
    14,125/19,492.62 = 7,837.36/x
  3. Step 3: Cross multiply
    14,125x = 19,492.62 × 7,837.36
  4. Step 4: Simplify right side
    14,125x = 152,770,680.28
  5. Step 5: Solve for x
    x = 152,770,680.28/14,125
  6. Step 6: Final answer
    x = 10,815.62

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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.