Home / 14,777.99-20,393.45-8,063.47

Finding the Fourth Proportional to 14,777.99, 20,393.45 and 8,063.47

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Solution

The fourth proportional to 14,777.99, 20,393.45 and 8,063.47 is: 11,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,777.99 : 20,393.45 = 8,063.47 : x
  2. Step 2: Convert to fraction form
    14,777.99/20,393.45 = 8,063.47/x
  3. Step 3: Cross multiply
    14,777.99x = 20,393.45 × 8,063.47
  4. Step 4: Simplify right side
    14,777.99x = 164,441,987.68
  5. Step 5: Solve for x
    x = 164,441,987.68/14,777.99
  6. Step 6: Final answer
    x = 11,127.49

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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.