Home / 13,065.47-19,623.41-11,195.58

Finding the Fourth Proportional to 13,065.47, 19,623.41 and 11,195.58

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Solution

The fourth proportional to 13,065.47, 19,623.41 and 11,195.58 is: 16,814.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.47 : 19,623.41 = 11,195.58 : x
  2. Step 2: Convert to fraction form
    13,065.47/19,623.41 = 11,195.58/x
  3. Step 3: Cross multiply
    13,065.47x = 19,623.41 × 11,195.58
  4. Step 4: Simplify right side
    13,065.47x = 219,695,533.58
  5. Step 5: Solve for x
    x = 219,695,533.58/13,065.47
  6. Step 6: Final answer
    x = 16,814.98

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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.