Home / 16,715.10-25,023.45-12,352.02

Finding the Fourth Proportional to 16,715.10, 25,023.45 and 12,352.02

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Solution

The fourth proportional to 16,715.10, 25,023.45 and 12,352.02 is: 18,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,715.10 : 25,023.45 = 12,352.02 : x
  2. Step 2: Convert to fraction form
    16,715.10/25,023.45 = 12,352.02/x
  3. Step 3: Cross multiply
    16,715.10x = 25,023.45 × 12,352.02
  4. Step 4: Simplify right side
    16,715.10x = 309,090,154.87
  5. Step 5: Solve for x
    x = 309,090,154.87/16,715.10
  6. Step 6: Final answer
    x = 18,491.67

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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.