Home / 13,888.56-19,166.24-7,600.96

Finding the Fourth Proportional to 13,888.56, 19,166.24 and 7,600.96

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Solution

The fourth proportional to 13,888.56, 19,166.24 and 7,600.96 is: 10,489.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.56 : 19,166.24 = 7,600.96 : x
  2. Step 2: Convert to fraction form
    13,888.56/19,166.24 = 7,600.96/x
  3. Step 3: Cross multiply
    13,888.56x = 19,166.24 × 7,600.96
  4. Step 4: Simplify right side
    13,888.56x = 145,681,823.59
  5. Step 5: Solve for x
    x = 145,681,823.59/13,888.56
  6. Step 6: Final answer
    x = 10,489.34

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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.