Home / 19,274.16-28,908.65-5,235.13

Finding the Fourth Proportional to 19,274.16, 28,908.65 and 5,235.13

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Solution

The fourth proportional to 19,274.16, 28,908.65 and 5,235.13 is: 7,851.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274.16 : 28,908.65 = 5,235.13 : x
  2. Step 2: Convert to fraction form
    19,274.16/28,908.65 = 5,235.13/x
  3. Step 3: Cross multiply
    19,274.16x = 28,908.65 × 5,235.13
  4. Step 4: Simplify right side
    19,274.16x = 151,340,514.70
  5. Step 5: Solve for x
    x = 151,340,514.70/19,274.16
  6. Step 6: Final answer
    x = 7,851.99

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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.