Home / 13,240.28-19,955.60-11,413.46

Finding the Fourth Proportional to 13,240.28, 19,955.60 and 11,413.46

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Solution

The fourth proportional to 13,240.28, 19,955.60 and 11,413.46 is: 17,202.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.28 : 19,955.60 = 11,413.46 : x
  2. Step 2: Convert to fraction form
    13,240.28/19,955.60 = 11,413.46/x
  3. Step 3: Cross multiply
    13,240.28x = 19,955.60 × 11,413.46
  4. Step 4: Simplify right side
    13,240.28x = 227,762,285.53
  5. Step 5: Solve for x
    x = 227,762,285.53/13,240.28
  6. Step 6: Final answer
    x = 17,202.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.