Home / 19,835.76-29,752.74-8,739.48

Finding the Fourth Proportional to 19,835.76, 29,752.74 and 8,739.48

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Solution

The fourth proportional to 19,835.76, 29,752.74 and 8,739.48 is: 13,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.76 : 29,752.74 = 8,739.48 : x
  2. Step 2: Convert to fraction form
    19,835.76/29,752.74 = 8,739.48/x
  3. Step 3: Cross multiply
    19,835.76x = 29,752.74 × 8,739.48
  4. Step 4: Simplify right side
    19,835.76x = 260,023,476.18
  5. Step 5: Solve for x
    x = 260,023,476.18/19,835.76
  6. Step 6: Final answer
    x = 13,108.82

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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.