Home / 19,066.42-28,618.26-10,320.04

Finding the Fourth Proportional to 19,066.42, 28,618.26 and 10,320.04

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Solution

The fourth proportional to 19,066.42, 28,618.26 and 10,320.04 is: 15,490.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.42 : 28,618.26 = 10,320.04 : x
  2. Step 2: Convert to fraction form
    19,066.42/28,618.26 = 10,320.04/x
  3. Step 3: Cross multiply
    19,066.42x = 28,618.26 × 10,320.04
  4. Step 4: Simplify right side
    19,066.42x = 295,341,587.93
  5. Step 5: Solve for x
    x = 295,341,587.93/19,066.42
  6. Step 6: Final answer
    x = 15,490.14

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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.