Home / 20,565.77-30,848.63-4,983.39

Finding the Fourth Proportional to 20,565.77, 30,848.63 and 4,983.39

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Solution

The fourth proportional to 20,565.77, 30,848.63 and 4,983.39 is: 7,475.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565.77 : 30,848.63 = 4,983.39 : x
  2. Step 2: Convert to fraction form
    20,565.77/30,848.63 = 4,983.39/x
  3. Step 3: Cross multiply
    20,565.77x = 30,848.63 × 4,983.39
  4. Step 4: Simplify right side
    20,565.77x = 153,730,729.34
  5. Step 5: Solve for x
    x = 153,730,729.34/20,565.77
  6. Step 6: Final answer
    x = 7,475.08

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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.