Home / 19,099.81-28,649.26-11,252.10

Finding the Fourth Proportional to 19,099.81, 28,649.26 and 11,252.10

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Solution

The fourth proportional to 19,099.81, 28,649.26 and 11,252.10 is: 16,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.81 : 28,649.26 = 11,252.10 : x
  2. Step 2: Convert to fraction form
    19,099.81/28,649.26 = 11,252.10/x
  3. Step 3: Cross multiply
    19,099.81x = 28,649.26 × 11,252.10
  4. Step 4: Simplify right side
    19,099.81x = 322,364,338.45
  5. Step 5: Solve for x
    x = 322,364,338.45/19,099.81
  6. Step 6: Final answer
    x = 16,877.88

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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.