Home / 15,177.03-20,943.32-8,462.27

Finding the Fourth Proportional to 15,177.03, 20,943.32 and 8,462.27

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Solution

The fourth proportional to 15,177.03, 20,943.32 and 8,462.27 is: 11,677.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.03 : 20,943.32 = 8,462.27 : x
  2. Step 2: Convert to fraction form
    15,177.03/20,943.32 = 8,462.27/x
  3. Step 3: Cross multiply
    15,177.03x = 20,943.32 × 8,462.27
  4. Step 4: Simplify right side
    15,177.03x = 177,227,881.51
  5. Step 5: Solve for x
    x = 177,227,881.51/15,177.03
  6. Step 6: Final answer
    x = 11,677.38

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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.