Home / 20,565.56-30,848.51-4,983.19

Finding the Fourth Proportional to 20,565.56, 30,848.51 and 4,983.19

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Solution

The fourth proportional to 20,565.56, 30,848.51 and 4,983.19 is: 7,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565.56 : 30,848.51 = 4,983.19 : x
  2. Step 2: Convert to fraction form
    20,565.56/30,848.51 = 4,983.19/x
  3. Step 3: Cross multiply
    20,565.56x = 30,848.51 × 4,983.19
  4. Step 4: Simplify right side
    20,565.56x = 153,723,921.88
  5. Step 5: Solve for x
    x = 153,723,921.88/20,565.56
  6. Step 6: Final answer
    x = 7,474.82

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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.