Home / 21,756.60-32,613.03-11,875.41

Finding the Fourth Proportional to 21,756.60, 32,613.03 and 11,875.41

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Solution

The fourth proportional to 21,756.60, 32,613.03 and 11,875.41 is: 17,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,756.60 : 32,613.03 = 11,875.41 : x
  2. Step 2: Convert to fraction form
    21,756.60/32,613.03 = 11,875.41/x
  3. Step 3: Cross multiply
    21,756.60x = 32,613.03 × 11,875.41
  4. Step 4: Simplify right side
    21,756.60x = 387,293,102.59
  5. Step 5: Solve for x
    x = 387,293,102.59/21,756.60
  6. Step 6: Final answer
    x = 17,801.18

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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.