Home / 19,402.62-29,116.68-10,643.68

Finding the Fourth Proportional to 19,402.62, 29,116.68 and 10,643.68

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Solution

The fourth proportional to 19,402.62, 29,116.68 and 10,643.68 is: 15,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.62 : 29,116.68 = 10,643.68 : x
  2. Step 2: Convert to fraction form
    19,402.62/29,116.68 = 10,643.68/x
  3. Step 3: Cross multiply
    19,402.62x = 29,116.68 × 10,643.68
  4. Step 4: Simplify right side
    19,402.62x = 309,908,624.58
  5. Step 5: Solve for x
    x = 309,908,624.58/19,402.62
  6. Step 6: Final answer
    x = 15,972.51

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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.