Home / 14,916.48-20,585.19-8,201.76

Finding the Fourth Proportional to 14,916.48, 20,585.19 and 8,201.76

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Solution

The fourth proportional to 14,916.48, 20,585.19 and 8,201.76 is: 11,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,916.48 : 20,585.19 = 8,201.76 : x
  2. Step 2: Convert to fraction form
    14,916.48/20,585.19 = 8,201.76/x
  3. Step 3: Cross multiply
    14,916.48x = 20,585.19 × 8,201.76
  4. Step 4: Simplify right side
    14,916.48x = 168,834,787.93
  5. Step 5: Solve for x
    x = 168,834,787.93/14,916.48
  6. Step 6: Final answer
    x = 11,318.67

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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.