Home / 13,654.50-20,462.70-10,320.01

Finding the Fourth Proportional to 13,654.50, 20,462.70 and 10,320.01

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Solution

The fourth proportional to 13,654.50, 20,462.70 and 10,320.01 is: 15,465.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.50 : 20,462.70 = 10,320.01 : x
  2. Step 2: Convert to fraction form
    13,654.50/20,462.70 = 10,320.01/x
  3. Step 3: Cross multiply
    13,654.50x = 20,462.70 × 10,320.01
  4. Step 4: Simplify right side
    13,654.50x = 211,175,268.63
  5. Step 5: Solve for x
    x = 211,175,268.63/13,654.50
  6. Step 6: Final answer
    x = 15,465.62

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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.