Home / 19,346.16-29,035.80-19,200.72

Finding the Fourth Proportional to 19,346.16, 29,035.80 and 19,200.72

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Solution

The fourth proportional to 19,346.16, 29,035.80 and 19,200.72 is: 28,817.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.16 : 29,035.80 = 19,200.72 : x
  2. Step 2: Convert to fraction form
    19,346.16/29,035.80 = 19,200.72/x
  3. Step 3: Cross multiply
    19,346.16x = 29,035.80 × 19,200.72
  4. Step 4: Simplify right side
    19,346.16x = 557,508,265.78
  5. Step 5: Solve for x
    x = 557,508,265.78/19,346.16
  6. Step 6: Final answer
    x = 28,817.52

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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.