Home / 15,561.93-23,243.66-14,078.86

Finding the Fourth Proportional to 15,561.93, 23,243.66 and 14,078.86

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Solution

The fourth proportional to 15,561.93, 23,243.66 and 14,078.86 is: 21,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.93 : 23,243.66 = 14,078.86 : x
  2. Step 2: Convert to fraction form
    15,561.93/23,243.66 = 14,078.86/x
  3. Step 3: Cross multiply
    15,561.93x = 23,243.66 × 14,078.86
  4. Step 4: Simplify right side
    15,561.93x = 327,244,164.63
  5. Step 5: Solve for x
    x = 327,244,164.63/15,561.93
  6. Step 6: Final answer
    x = 21,028.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.