Home / 13,021.52-19,499.16-9,497.12

Finding the Fourth Proportional to 13,021.52, 19,499.16 and 9,497.12

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Solution

The fourth proportional to 13,021.52, 19,499.16 and 9,497.12 is: 14,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.52 : 19,499.16 = 9,497.12 : x
  2. Step 2: Convert to fraction form
    13,021.52/19,499.16 = 9,497.12/x
  3. Step 3: Cross multiply
    13,021.52x = 19,499.16 × 9,497.12
  4. Step 4: Simplify right side
    13,021.52x = 185,185,862.42
  5. Step 5: Solve for x
    x = 185,185,862.42/13,021.52
  6. Step 6: Final answer
    x = 14,221.52

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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.