Home / 15,242.33-21,035.23-8,527.56

Finding the Fourth Proportional to 15,242.33, 21,035.23 and 8,527.56

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Solution

The fourth proportional to 15,242.33, 21,035.23 and 8,527.56 is: 11,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,242.33 : 21,035.23 = 8,527.56 : x
  2. Step 2: Convert to fraction form
    15,242.33/21,035.23 = 8,527.56/x
  3. Step 3: Cross multiply
    15,242.33x = 21,035.23 × 8,527.56
  4. Step 4: Simplify right side
    15,242.33x = 179,379,080.76
  5. Step 5: Solve for x
    x = 179,379,080.76/15,242.33
  6. Step 6: Final answer
    x = 11,768.48

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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.