Home / 19,398.57-29,097.28-5,359.44

Finding the Fourth Proportional to 19,398.57, 29,097.28 and 5,359.44

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Solution

The fourth proportional to 19,398.57, 29,097.28 and 5,359.44 is: 8,039.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.57 : 29,097.28 = 5,359.44 : x
  2. Step 2: Convert to fraction form
    19,398.57/29,097.28 = 5,359.44/x
  3. Step 3: Cross multiply
    19,398.57x = 29,097.28 × 5,359.44
  4. Step 4: Simplify right side
    19,398.57x = 155,945,126.32
  5. Step 5: Solve for x
    x = 155,945,126.32/19,398.57
  6. Step 6: Final answer
    x = 8,039.00

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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.