Home / 30,926.13-42,678.06-17,497.09

Finding the Fourth Proportional to 30,926.13, 42,678.06 and 17,497.09

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Solution

The fourth proportional to 30,926.13, 42,678.06 and 17,497.09 is: 24,145.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,926.13 : 42,678.06 = 17,497.09 : x
  2. Step 2: Convert to fraction form
    30,926.13/42,678.06 = 17,497.09/x
  3. Step 3: Cross multiply
    30,926.13x = 42,678.06 × 17,497.09
  4. Step 4: Simplify right side
    30,926.13x = 746,741,856.85
  5. Step 5: Solve for x
    x = 746,741,856.85/30,926.13
  6. Step 6: Final answer
    x = 24,145.98

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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.