Home / 16,217.34-22,368.11-12,397.61

Finding the Fourth Proportional to 16,217.34, 22,368.11 and 12,397.61

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Solution

The fourth proportional to 16,217.34, 22,368.11 and 12,397.61 is: 17,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,217.34 : 22,368.11 = 12,397.61 : x
  2. Step 2: Convert to fraction form
    16,217.34/22,368.11 = 12,397.61/x
  3. Step 3: Cross multiply
    16,217.34x = 22,368.11 × 12,397.61
  4. Step 4: Simplify right side
    16,217.34x = 277,311,104.22
  5. Step 5: Solve for x
    x = 277,311,104.22/16,217.34
  6. Step 6: Final answer
    x = 17,099.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.