Home / 19,344.16-29,032.80-19,198.72

Finding the Fourth Proportional to 19,344.16, 29,032.80 and 19,198.72

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Solution

The fourth proportional to 19,344.16, 29,032.80 and 19,198.72 is: 28,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,344.16 : 29,032.80 = 19,198.72 : x
  2. Step 2: Convert to fraction form
    19,344.16/29,032.80 = 19,198.72/x
  3. Step 3: Cross multiply
    19,344.16x = 29,032.80 × 19,198.72
  4. Step 4: Simplify right side
    19,344.16x = 557,392,598.02
  5. Step 5: Solve for x
    x = 557,392,598.02/19,344.16
  6. Step 6: Final answer
    x = 28,814.52

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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.