Home / 15,626.73-21,574.95-13,945.25

Finding the Fourth Proportional to 15,626.73, 21,574.95 and 13,945.25

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Solution

The fourth proportional to 15,626.73, 21,574.95 and 13,945.25 is: 19,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,626.73 : 21,574.95 = 13,945.25 : x
  2. Step 2: Convert to fraction form
    15,626.73/21,574.95 = 13,945.25/x
  3. Step 3: Cross multiply
    15,626.73x = 21,574.95 × 13,945.25
  4. Step 4: Simplify right side
    15,626.73x = 300,867,963.61
  5. Step 5: Solve for x
    x = 300,867,963.61/15,626.73
  6. Step 6: Final answer
    x = 19,253.42

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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.