Home / 15,194.18-20,977.73-9,536.69

Finding the Fourth Proportional to 15,194.18, 20,977.73 and 9,536.69

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Solution

The fourth proportional to 15,194.18, 20,977.73 and 9,536.69 is: 13,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,194.18 : 20,977.73 = 9,536.69 : x
  2. Step 2: Convert to fraction form
    15,194.18/20,977.73 = 9,536.69/x
  3. Step 3: Cross multiply
    15,194.18x = 20,977.73 × 9,536.69
  4. Step 4: Simplify right side
    15,194.18x = 200,057,955.34
  5. Step 5: Solve for x
    x = 200,057,955.34/15,194.18
  6. Step 6: Final answer
    x = 13,166.75

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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.