Home / 13,018.50-19,566.05-10,811.52

Finding the Fourth Proportional to 13,018.50, 19,566.05 and 10,811.52

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Solution

The fourth proportional to 13,018.50, 19,566.05 and 10,811.52 is: 16,249.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.50 : 19,566.05 = 10,811.52 : x
  2. Step 2: Convert to fraction form
    13,018.50/19,566.05 = 10,811.52/x
  3. Step 3: Cross multiply
    13,018.50x = 19,566.05 × 10,811.52
  4. Step 4: Simplify right side
    13,018.50x = 211,538,686.84
  5. Step 5: Solve for x
    x = 211,538,686.84/13,018.50
  6. Step 6: Final answer
    x = 16,249.08

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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.