Home / 25,142.22-34,695.14-15,076.22

Finding the Fourth Proportional to 25,142.22, 34,695.14 and 15,076.22

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Solution

The fourth proportional to 25,142.22, 34,695.14 and 15,076.22 is: 20,804.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,142.22 : 34,695.14 = 15,076.22 : x
  2. Step 2: Convert to fraction form
    25,142.22/34,695.14 = 15,076.22/x
  3. Step 3: Cross multiply
    25,142.22x = 34,695.14 × 15,076.22
  4. Step 4: Simplify right side
    25,142.22x = 523,071,390.10
  5. Step 5: Solve for x
    x = 523,071,390.10/25,142.22
  6. Step 6: Final answer
    x = 20,804.50

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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.