Home / 19,233.45-28,812.51-17,143.65

Finding the Fourth Proportional to 19,233.45, 28,812.51 and 17,143.65

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Solution

The fourth proportional to 19,233.45, 28,812.51 and 17,143.65 is: 25,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,233.45 : 28,812.51 = 17,143.65 : x
  2. Step 2: Convert to fraction form
    19,233.45/28,812.51 = 17,143.65/x
  3. Step 3: Cross multiply
    19,233.45x = 28,812.51 × 17,143.65
  4. Step 4: Simplify right side
    19,233.45x = 493,951,587.06
  5. Step 5: Solve for x
    x = 493,951,587.06/19,233.45
  6. Step 6: Final answer
    x = 25,681.90

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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.