Home / 14,082.86-21,125.10-4,722.50

Finding the Fourth Proportional to 14,082.86, 21,125.10 and 4,722.50

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Solution

The fourth proportional to 14,082.86, 21,125.10 and 4,722.50 is: 7,084.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082.86 : 21,125.10 = 4,722.50 : x
  2. Step 2: Convert to fraction form
    14,082.86/21,125.10 = 4,722.50/x
  3. Step 3: Cross multiply
    14,082.86x = 21,125.10 × 4,722.50
  4. Step 4: Simplify right side
    14,082.86x = 99,763,179.12
  5. Step 5: Solve for x
    x = 99,763,179.12/14,082.86
  6. Step 6: Final answer
    x = 7,084.02

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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.