Home / 21,835.18-32,755.21-7,798.46

Finding the Fourth Proportional to 21,835.18, 32,755.21 and 7,798.46

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Solution

The fourth proportional to 21,835.18, 32,755.21 and 7,798.46 is: 11,698.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,835.18 : 32,755.21 = 7,798.46 : x
  2. Step 2: Convert to fraction form
    21,835.18/32,755.21 = 7,798.46/x
  3. Step 3: Cross multiply
    21,835.18x = 32,755.21 × 7,798.46
  4. Step 4: Simplify right side
    21,835.18x = 255,440,194.98
  5. Step 5: Solve for x
    x = 255,440,194.98/21,835.18
  6. Step 6: Final answer
    x = 11,698.56

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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.