Home / 14,185.51-21,241.08-10,002.88

Finding the Fourth Proportional to 14,185.51, 21,241.08 and 10,002.88

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Solution

The fourth proportional to 14,185.51, 21,241.08 and 10,002.88 is: 14,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185.51 : 21,241.08 = 10,002.88 : x
  2. Step 2: Convert to fraction form
    14,185.51/21,241.08 = 10,002.88/x
  3. Step 3: Cross multiply
    14,185.51x = 21,241.08 × 10,002.88
  4. Step 4: Simplify right side
    14,185.51x = 212,471,974.31
  5. Step 5: Solve for x
    x = 212,471,974.31/14,185.51
  6. Step 6: Final answer
    x = 14,978.10

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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.