Home / 13,903.14-19,186.56-7,615.11

Finding the Fourth Proportional to 13,903.14, 19,186.56 and 7,615.11

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Solution

The fourth proportional to 13,903.14, 19,186.56 and 7,615.11 is: 10,508.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.14 : 19,186.56 = 7,615.11 : x
  2. Step 2: Convert to fraction form
    13,903.14/19,186.56 = 7,615.11/x
  3. Step 3: Cross multiply
    13,903.14x = 19,186.56 × 7,615.11
  4. Step 4: Simplify right side
    13,903.14x = 146,107,764.92
  5. Step 5: Solve for x
    x = 146,107,764.92/13,903.14
  6. Step 6: Final answer
    x = 10,508.98

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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.