Home / 13,195.44-18,204.48-7,888.32

Finding the Fourth Proportional to 13,195.44, 18,204.48 and 7,888.32

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Solution

The fourth proportional to 13,195.44, 18,204.48 and 7,888.32 is: 10,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,195.44 : 18,204.48 = 7,888.32 : x
  2. Step 2: Convert to fraction form
    13,195.44/18,204.48 = 7,888.32/x
  3. Step 3: Cross multiply
    13,195.44x = 18,204.48 × 7,888.32
  4. Step 4: Simplify right side
    13,195.44x = 143,602,763.67
  5. Step 5: Solve for x
    x = 143,602,763.67/13,195.44
  6. Step 6: Final answer
    x = 10,882.76

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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.