Home / 13,903.20-19,186.79-7,852.95

Finding the Fourth Proportional to 13,903.20, 19,186.79 and 7,852.95

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Solution

The fourth proportional to 13,903.20, 19,186.79 and 7,852.95 is: 10,837.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.20 : 19,186.79 = 7,852.95 : x
  2. Step 2: Convert to fraction form
    13,903.20/19,186.79 = 7,852.95/x
  3. Step 3: Cross multiply
    13,903.20x = 19,186.79 × 7,852.95
  4. Step 4: Simplify right side
    13,903.20x = 150,672,863.27
  5. Step 5: Solve for x
    x = 150,672,863.27/13,903.20
  6. Step 6: Final answer
    x = 10,837.28

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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.