Home / 19,900.39-27,463.26-10,948.59

Finding the Fourth Proportional to 19,900.39, 27,463.26 and 10,948.59

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Solution

The fourth proportional to 19,900.39, 27,463.26 and 10,948.59 is: 15,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.39 : 27,463.26 = 10,948.59 : x
  2. Step 2: Convert to fraction form
    19,900.39/27,463.26 = 10,948.59/x
  3. Step 3: Cross multiply
    19,900.39x = 27,463.26 × 10,948.59
  4. Step 4: Simplify right side
    19,900.39x = 300,683,973.80
  5. Step 5: Solve for x
    x = 300,683,973.80/19,900.39
  6. Step 6: Final answer
    x = 15,109.45

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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.