Home / 19,395.74-29,093.61-5,355.30

Finding the Fourth Proportional to 19,395.74, 29,093.61 and 5,355.30

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Solution

The fourth proportional to 19,395.74, 29,093.61 and 5,355.30 is: 8,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.74 : 29,093.61 = 5,355.30 : x
  2. Step 2: Convert to fraction form
    19,395.74/29,093.61 = 5,355.30/x
  3. Step 3: Cross multiply
    19,395.74x = 29,093.61 × 5,355.30
  4. Step 4: Simplify right side
    19,395.74x = 155,805,009.63
  5. Step 5: Solve for x
    x = 155,805,009.63/19,395.74
  6. Step 6: Final answer
    x = 8,032.95

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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.