Home / 21,620.10-32,430.27-6,037.86

Finding the Fourth Proportional to 21,620.10, 32,430.27 and 6,037.86

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Solution

The fourth proportional to 21,620.10, 32,430.27 and 6,037.86 is: 9,056.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,620.10 : 32,430.27 = 6,037.86 : x
  2. Step 2: Convert to fraction form
    21,620.10/32,430.27 = 6,037.86/x
  3. Step 3: Cross multiply
    21,620.10x = 32,430.27 × 6,037.86
  4. Step 4: Simplify right side
    21,620.10x = 195,809,430.02
  5. Step 5: Solve for x
    x = 195,809,430.02/21,620.10
  6. Step 6: Final answer
    x = 9,056.82

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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.