Home / 13,928.96-19,222.45-9,959.56

Finding the Fourth Proportional to 13,928.96, 19,222.45 and 9,959.56

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Solution

The fourth proportional to 13,928.96, 19,222.45 and 9,959.56 is: 13,744.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.96 : 19,222.45 = 9,959.56 : x
  2. Step 2: Convert to fraction form
    13,928.96/19,222.45 = 9,959.56/x
  3. Step 3: Cross multiply
    13,928.96x = 19,222.45 × 9,959.56
  4. Step 4: Simplify right side
    13,928.96x = 191,447,071.17
  5. Step 5: Solve for x
    x = 191,447,071.17/13,928.96
  6. Step 6: Final answer
    x = 13,744.53

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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.