Home / 14,260.05-21,396.15-9,875.12

Finding the Fourth Proportional to 14,260.05, 21,396.15 and 9,875.12

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Solution

The fourth proportional to 14,260.05, 21,396.15 and 9,875.12 is: 14,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.05 : 21,396.15 = 9,875.12 : x
  2. Step 2: Convert to fraction form
    14,260.05/21,396.15 = 9,875.12/x
  3. Step 3: Cross multiply
    14,260.05x = 21,396.15 × 9,875.12
  4. Step 4: Simplify right side
    14,260.05x = 211,289,441.81
  5. Step 5: Solve for x
    x = 211,289,441.81/14,260.05
  6. Step 6: Final answer
    x = 14,816.88

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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.