Home / 15,885.68-23,836.28-11,235.57

Finding the Fourth Proportional to 15,885.68, 23,836.28 and 11,235.57

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Solution

The fourth proportional to 15,885.68, 23,836.28 and 11,235.57 is: 16,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.68 : 23,836.28 = 11,235.57 : x
  2. Step 2: Convert to fraction form
    15,885.68/23,836.28 = 11,235.57/x
  3. Step 3: Cross multiply
    15,885.68x = 23,836.28 × 11,235.57
  4. Step 4: Simplify right side
    15,885.68x = 267,814,192.48
  5. Step 5: Solve for x
    x = 267,814,192.48/15,885.68
  6. Step 6: Final answer
    x = 16,858.84

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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.