Home / 15,592.86-21,518.22-8,519.46

Finding the Fourth Proportional to 15,592.86, 21,518.22 and 8,519.46

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Solution

The fourth proportional to 15,592.86, 21,518.22 and 8,519.46 is: 11,756.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.86 : 21,518.22 = 8,519.46 : x
  2. Step 2: Convert to fraction form
    15,592.86/21,518.22 = 8,519.46/x
  3. Step 3: Cross multiply
    15,592.86x = 21,518.22 × 8,519.46
  4. Step 4: Simplify right side
    15,592.86x = 183,323,614.56
  5. Step 5: Solve for x
    x = 183,323,614.56/15,592.86
  6. Step 6: Final answer
    x = 11,756.89

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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.