Home / 13,133.50-19,671.29-10,856.16

Finding the Fourth Proportional to 13,133.50, 19,671.29 and 10,856.16

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Solution

The fourth proportional to 13,133.50, 19,671.29 and 10,856.16 is: 16,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.50 : 19,671.29 = 10,856.16 : x
  2. Step 2: Convert to fraction form
    13,133.50/19,671.29 = 10,856.16/x
  3. Step 3: Cross multiply
    13,133.50x = 19,671.29 × 10,856.16
  4. Step 4: Simplify right side
    13,133.50x = 213,554,519.01
  5. Step 5: Solve for x
    x = 213,554,519.01/13,133.50
  6. Step 6: Final answer
    x = 16,260.30

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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.