Home / 19,913.36-29,849.06-10,031.86

Finding the Fourth Proportional to 19,913.36, 29,849.06 and 10,031.86

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Solution

The fourth proportional to 19,913.36, 29,849.06 and 10,031.86 is: 15,037.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.36 : 29,849.06 = 10,031.86 : x
  2. Step 2: Convert to fraction form
    19,913.36/29,849.06 = 10,031.86/x
  3. Step 3: Cross multiply
    19,913.36x = 29,849.06 × 10,031.86
  4. Step 4: Simplify right side
    19,913.36x = 299,441,591.05
  5. Step 5: Solve for x
    x = 299,441,591.05/19,913.36
  6. Step 6: Final answer
    x = 15,037.22

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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.