Home / 14,202.73-21,301.64-5,315.68

Finding the Fourth Proportional to 14,202.73, 21,301.64 and 5,315.68

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Solution

The fourth proportional to 14,202.73, 21,301.64 and 5,315.68 is: 7,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,202.73 : 21,301.64 = 5,315.68 : x
  2. Step 2: Convert to fraction form
    14,202.73/21,301.64 = 5,315.68/x
  3. Step 3: Cross multiply
    14,202.73x = 21,301.64 × 5,315.68
  4. Step 4: Simplify right side
    14,202.73x = 113,232,701.72
  5. Step 5: Solve for x
    x = 113,232,701.72/14,202.73
  6. Step 6: Final answer
    x = 7,972.60

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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.