Home / 25,345.54-34,968.18-15,270.18

Finding the Fourth Proportional to 25,345.54, 34,968.18 and 15,270.18

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Solution

The fourth proportional to 25,345.54, 34,968.18 and 15,270.18 is: 21,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.54 : 34,968.18 = 15,270.18 : x
  2. Step 2: Convert to fraction form
    25,345.54/34,968.18 = 15,270.18/x
  3. Step 3: Cross multiply
    25,345.54x = 34,968.18 × 15,270.18
  4. Step 4: Simplify right side
    25,345.54x = 533,970,402.87
  5. Step 5: Solve for x
    x = 533,970,402.87/25,345.54
  6. Step 6: Final answer
    x = 21,067.63

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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.