Home / 21,615.06-32,394.34-11,076.15

Finding the Fourth Proportional to 21,615.06, 32,394.34 and 11,076.15

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Solution

The fourth proportional to 21,615.06, 32,394.34 and 11,076.15 is: 16,599.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,615.06 : 32,394.34 = 11,076.15 : x
  2. Step 2: Convert to fraction form
    21,615.06/32,394.34 = 11,076.15/x
  3. Step 3: Cross multiply
    21,615.06x = 32,394.34 × 11,076.15
  4. Step 4: Simplify right side
    21,615.06x = 358,804,568.99
  5. Step 5: Solve for x
    x = 358,804,568.99/21,615.06
  6. Step 6: Final answer
    x = 16,599.75

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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.