Home / 13,981.22-19,293.75-8,016.38

Finding the Fourth Proportional to 13,981.22, 19,293.75 and 8,016.38

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Solution

The fourth proportional to 13,981.22, 19,293.75 and 8,016.38 is: 11,062.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.22 : 19,293.75 = 8,016.38 : x
  2. Step 2: Convert to fraction form
    13,981.22/19,293.75 = 8,016.38/x
  3. Step 3: Cross multiply
    13,981.22x = 19,293.75 × 8,016.38
  4. Step 4: Simplify right side
    13,981.22x = 154,666,031.63
  5. Step 5: Solve for x
    x = 154,666,031.63/13,981.22
  6. Step 6: Final answer
    x = 11,062.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.