Home / 18,593.39-25,637.19-13,869.47

Finding the Fourth Proportional to 18,593.39, 25,637.19 and 13,869.47

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Solution

The fourth proportional to 18,593.39, 25,637.19 and 13,869.47 is: 19,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593.39 : 25,637.19 = 13,869.47 : x
  2. Step 2: Convert to fraction form
    18,593.39/25,637.19 = 13,869.47/x
  3. Step 3: Cross multiply
    18,593.39x = 25,637.19 × 13,869.47
  4. Step 4: Simplify right side
    18,593.39x = 355,574,237.59
  5. Step 5: Solve for x
    x = 355,574,237.59/18,593.39
  6. Step 6: Final answer
    x = 19,123.69

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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.