Home / 19,849.23-29,776.47-10,489.62

Finding the Fourth Proportional to 19,849.23, 29,776.47 and 10,489.62

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Solution

The fourth proportional to 19,849.23, 29,776.47 and 10,489.62 is: 15,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,849.23 : 29,776.47 = 10,489.62 : x
  2. Step 2: Convert to fraction form
    19,849.23/29,776.47 = 10,489.62/x
  3. Step 3: Cross multiply
    19,849.23x = 29,776.47 × 10,489.62
  4. Step 4: Simplify right side
    19,849.23x = 312,343,855.24
  5. Step 5: Solve for x
    x = 312,343,855.24/19,849.23
  6. Step 6: Final answer
    x = 15,735.82

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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.