Home / 19,239.31-28,833.45-9,878.95

Finding the Fourth Proportional to 19,239.31, 28,833.45 and 9,878.95

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Solution

The fourth proportional to 19,239.31, 28,833.45 and 9,878.95 is: 14,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.31 : 28,833.45 = 9,878.95 : x
  2. Step 2: Convert to fraction form
    19,239.31/28,833.45 = 9,878.95/x
  3. Step 3: Cross multiply
    19,239.31x = 28,833.45 × 9,878.95
  4. Step 4: Simplify right side
    19,239.31x = 284,844,210.88
  5. Step 5: Solve for x
    x = 284,844,210.88/19,239.31
  6. Step 6: Final answer
    x = 14,805.32

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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.