Home / 19,734-27,281.52-18,907.84

Finding the Fourth Proportional to 19,734, 27,281.52 and 18,907.84

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Solution

The fourth proportional to 19,734, 27,281.52 and 18,907.84 is: 26,139.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734 : 27,281.52 = 18,907.84 : x
  2. Step 2: Convert to fraction form
    19,734/27,281.52 = 18,907.84/x
  3. Step 3: Cross multiply
    19,734x = 27,281.52 × 18,907.84
  4. Step 4: Simplify right side
    19,734x = 515,834,615.12
  5. Step 5: Solve for x
    x = 515,834,615.12/19,734
  6. Step 6: Final answer
    x = 26,139.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.