Home / 19,312.66-28,952.58-18,394.12

Finding the Fourth Proportional to 19,312.66, 28,952.58 and 18,394.12

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Solution

The fourth proportional to 19,312.66, 28,952.58 and 18,394.12 is: 27,575.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.66 : 28,952.58 = 18,394.12 : x
  2. Step 2: Convert to fraction form
    19,312.66/28,952.58 = 18,394.12/x
  3. Step 3: Cross multiply
    19,312.66x = 28,952.58 × 18,394.12
  4. Step 4: Simplify right side
    19,312.66x = 532,557,230.83
  5. Step 5: Solve for x
    x = 532,557,230.83/19,312.66
  6. Step 6: Final answer
    x = 27,575.55

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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.