Home / 15,240.57-21,032.51-8,526.48

Finding the Fourth Proportional to 15,240.57, 21,032.51 and 8,526.48

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Solution

The fourth proportional to 15,240.57, 21,032.51 and 8,526.48 is: 11,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,240.57 : 21,032.51 = 8,526.48 : x
  2. Step 2: Convert to fraction form
    15,240.57/21,032.51 = 8,526.48/x
  3. Step 3: Cross multiply
    15,240.57x = 21,032.51 × 8,526.48
  4. Step 4: Simplify right side
    15,240.57x = 179,333,233.23
  5. Step 5: Solve for x
    x = 179,333,233.23/15,240.57
  6. Step 6: Final answer
    x = 11,766.83

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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.