Home / 16,516.76-22,787.60-9,345.67

Finding the Fourth Proportional to 16,516.76, 22,787.60 and 9,345.67

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Solution

The fourth proportional to 16,516.76, 22,787.60 and 9,345.67 is: 12,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,516.76 : 22,787.60 = 9,345.67 : x
  2. Step 2: Convert to fraction form
    16,516.76/22,787.60 = 9,345.67/x
  3. Step 3: Cross multiply
    16,516.76x = 22,787.60 × 9,345.67
  4. Step 4: Simplify right side
    16,516.76x = 212,965,389.69
  5. Step 5: Solve for x
    x = 212,965,389.69/16,516.76
  6. Step 6: Final answer
    x = 12,893.90

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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.