Home / 19,196.40-28,733.28-10,299.36

Finding the Fourth Proportional to 19,196.40, 28,733.28 and 10,299.36

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Solution

The fourth proportional to 19,196.40, 28,733.28 and 10,299.36 is: 15,416.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.40 : 28,733.28 = 10,299.36 : x
  2. Step 2: Convert to fraction form
    19,196.40/28,733.28 = 10,299.36/x
  3. Step 3: Cross multiply
    19,196.40x = 28,733.28 × 10,299.36
  4. Step 4: Simplify right side
    19,196.40x = 295,934,394.70
  5. Step 5: Solve for x
    x = 295,934,394.70/19,196.40
  6. Step 6: Final answer
    x = 15,416.14

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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.