Home / 15,241.80-21,033.02-8,526.17

Finding the Fourth Proportional to 15,241.80, 21,033.02 and 8,526.17

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Solution

The fourth proportional to 15,241.80, 21,033.02 and 8,526.17 is: 11,765.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241.80 : 21,033.02 = 8,526.17 : x
  2. Step 2: Convert to fraction form
    15,241.80/21,033.02 = 8,526.17/x
  3. Step 3: Cross multiply
    15,241.80x = 21,033.02 × 8,526.17
  4. Step 4: Simplify right side
    15,241.80x = 179,330,956.34
  5. Step 5: Solve for x
    x = 179,330,956.34/15,241.80
  6. Step 6: Final answer
    x = 11,765.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.