Home / 13,275.96-19,913.94-6,707.70

Finding the Fourth Proportional to 13,275.96, 19,913.94 and 6,707.70

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Solution

The fourth proportional to 13,275.96, 19,913.94 and 6,707.70 is: 10,061.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.96 : 19,913.94 = 6,707.70 : x
  2. Step 2: Convert to fraction form
    13,275.96/19,913.94 = 6,707.70/x
  3. Step 3: Cross multiply
    13,275.96x = 19,913.94 × 6,707.70
  4. Step 4: Simplify right side
    13,275.96x = 133,576,735.34
  5. Step 5: Solve for x
    x = 133,576,735.34/13,275.96
  6. Step 6: Final answer
    x = 10,061.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.