Home / 25,662.06-35,422.38-15,047.82

Finding the Fourth Proportional to 25,662.06, 35,422.38 and 15,047.82

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Solution

The fourth proportional to 25,662.06, 35,422.38 and 15,047.82 is: 20,771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662.06 : 35,422.38 = 15,047.82 : x
  2. Step 2: Convert to fraction form
    25,662.06/35,422.38 = 15,047.82/x
  3. Step 3: Cross multiply
    25,662.06x = 35,422.38 × 15,047.82
  4. Step 4: Simplify right side
    25,662.06x = 533,029,598.21
  5. Step 5: Solve for x
    x = 533,029,598.21/25,662.06
  6. Step 6: Final answer
    x = 20,771.11

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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.