Home / 19,539.12-29,277.95-15,107.61

Finding the Fourth Proportional to 19,539.12, 29,277.95 and 15,107.61

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Solution

The fourth proportional to 19,539.12, 29,277.95 and 15,107.61 is: 22,637.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.12 : 29,277.95 = 15,107.61 : x
  2. Step 2: Convert to fraction form
    19,539.12/29,277.95 = 15,107.61/x
  3. Step 3: Cross multiply
    19,539.12x = 29,277.95 × 15,107.61
  4. Step 4: Simplify right side
    19,539.12x = 442,319,774.66
  5. Step 5: Solve for x
    x = 442,319,774.66/19,539.12
  6. Step 6: Final answer
    x = 22,637.65

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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.