Home / 15,237.92-21,026.64-8,522.47

Finding the Fourth Proportional to 15,237.92, 21,026.64 and 8,522.47

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Solution

The fourth proportional to 15,237.92, 21,026.64 and 8,522.47 is: 11,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237.92 : 21,026.64 = 8,522.47 : x
  2. Step 2: Convert to fraction form
    15,237.92/21,026.64 = 8,522.47/x
  3. Step 3: Cross multiply
    15,237.92x = 21,026.64 × 8,522.47
  4. Step 4: Simplify right side
    15,237.92x = 179,198,800.63
  5. Step 5: Solve for x
    x = 179,198,800.63/15,237.92
  6. Step 6: Final answer
    x = 11,760.05

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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.