Home / 21,684.48-32,504.56-12,304.68

Finding the Fourth Proportional to 21,684.48, 32,504.56 and 12,304.68

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Solution

The fourth proportional to 21,684.48, 32,504.56 and 12,304.68 is: 18,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684.48 : 32,504.56 = 12,304.68 : x
  2. Step 2: Convert to fraction form
    21,684.48/32,504.56 = 12,304.68/x
  3. Step 3: Cross multiply
    21,684.48x = 32,504.56 × 12,304.68
  4. Step 4: Simplify right side
    21,684.48x = 399,958,330.94
  5. Step 5: Solve for x
    x = 399,958,330.94/21,684.48
  6. Step 6: Final answer
    x = 18,444.45

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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.