Home / 18,301.02-27,436.53-11,725.50

Finding the Fourth Proportional to 18,301.02, 27,436.53 and 11,725.50

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Solution

The fourth proportional to 18,301.02, 27,436.53 and 11,725.50 is: 17,578.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.02 : 27,436.53 = 11,725.50 : x
  2. Step 2: Convert to fraction form
    18,301.02/27,436.53 = 11,725.50/x
  3. Step 3: Cross multiply
    18,301.02x = 27,436.53 × 11,725.50
  4. Step 4: Simplify right side
    18,301.02x = 321,707,032.52
  5. Step 5: Solve for x
    x = 321,707,032.52/18,301.02
  6. Step 6: Final answer
    x = 17,578.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.