Home / 20,598.16-30,896.64-5,015.56

Finding the Fourth Proportional to 20,598.16, 30,896.64 and 5,015.56

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Solution

The fourth proportional to 20,598.16, 30,896.64 and 5,015.56 is: 7,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.16 : 30,896.64 = 5,015.56 : x
  2. Step 2: Convert to fraction form
    20,598.16/30,896.64 = 5,015.56/x
  3. Step 3: Cross multiply
    20,598.16x = 30,896.64 × 5,015.56
  4. Step 4: Simplify right side
    20,598.16x = 154,963,951.72
  5. Step 5: Solve for x
    x = 154,963,951.72/20,598.16
  6. Step 6: Final answer
    x = 7,523.19

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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.