Home / 14,125.32-21,173.20-4,762.10

Finding the Fourth Proportional to 14,125.32, 21,173.20 and 4,762.10

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Solution

The fourth proportional to 14,125.32, 21,173.20 and 4,762.10 is: 7,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.32 : 21,173.20 = 4,762.10 : x
  2. Step 2: Convert to fraction form
    14,125.32/21,173.20 = 4,762.10/x
  3. Step 3: Cross multiply
    14,125.32x = 21,173.20 × 4,762.10
  4. Step 4: Simplify right side
    14,125.32x = 100,828,936.75
  5. Step 5: Solve for x
    x = 100,828,936.75/14,125.32
  6. Step 6: Final answer
    x = 7,138.17

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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.