Home / 21,568.63-32,360.74-7,530.73

Finding the Fourth Proportional to 21,568.63, 32,360.74 and 7,530.73

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Solution

The fourth proportional to 21,568.63, 32,360.74 and 7,530.73 is: 11,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568.63 : 32,360.74 = 7,530.73 : x
  2. Step 2: Convert to fraction form
    21,568.63/32,360.74 = 7,530.73/x
  3. Step 3: Cross multiply
    21,568.63x = 32,360.74 × 7,530.73
  4. Step 4: Simplify right side
    21,568.63x = 243,699,963.84
  5. Step 5: Solve for x
    x = 243,699,963.84/21,568.63
  6. Step 6: Final answer
    x = 11,298.81

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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.