Home / 19,236.96-28,838.16-9,974.88

Finding the Fourth Proportional to 19,236.96, 28,838.16 and 9,974.88

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Solution

The fourth proportional to 19,236.96, 28,838.16 and 9,974.88 is: 14,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,236.96 : 28,838.16 = 9,974.88 : x
  2. Step 2: Convert to fraction form
    19,236.96/28,838.16 = 9,974.88/x
  3. Step 3: Cross multiply
    19,236.96x = 28,838.16 × 9,974.88
  4. Step 4: Simplify right side
    19,236.96x = 287,657,185.42
  5. Step 5: Solve for x
    x = 287,657,185.42/19,236.96
  6. Step 6: Final answer
    x = 14,953.36

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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.