Home / 14,277.90-21,405.87-7,252.14

Finding the Fourth Proportional to 14,277.90, 21,405.87 and 7,252.14

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Solution

The fourth proportional to 14,277.90, 21,405.87 and 7,252.14 is: 10,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.90 : 21,405.87 = 7,252.14 : x
  2. Step 2: Convert to fraction form
    14,277.90/21,405.87 = 7,252.14/x
  3. Step 3: Cross multiply
    14,277.90x = 21,405.87 × 7,252.14
  4. Step 4: Simplify right side
    14,277.90x = 155,238,366.06
  5. Step 5: Solve for x
    x = 155,238,366.06/14,277.90
  6. Step 6: Final answer
    x = 10,872.63

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1.5x scale

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.