Home / 18,615.33-25,681.18-11,441.37

Finding the Fourth Proportional to 18,615.33, 25,681.18 and 11,441.37

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Solution

The fourth proportional to 18,615.33, 25,681.18 and 11,441.37 is: 15,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,615.33 : 25,681.18 = 11,441.37 : x
  2. Step 2: Convert to fraction form
    18,615.33/25,681.18 = 11,441.37/x
  3. Step 3: Cross multiply
    18,615.33x = 25,681.18 × 11,441.37
  4. Step 4: Simplify right side
    18,615.33x = 293,827,882.42
  5. Step 5: Solve for x
    x = 293,827,882.42/18,615.33
  6. Step 6: Final answer
    x = 15,784.19

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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.