Home / 19,909.45-29,839.57-10,051.55

Finding the Fourth Proportional to 19,909.45, 29,839.57 and 10,051.55

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Solution

The fourth proportional to 19,909.45, 29,839.57 and 10,051.55 is: 15,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.45 : 29,839.57 = 10,051.55 : x
  2. Step 2: Convert to fraction form
    19,909.45/29,839.57 = 10,051.55/x
  3. Step 3: Cross multiply
    19,909.45x = 29,839.57 × 10,051.55
  4. Step 4: Simplify right side
    19,909.45x = 299,933,755.51
  5. Step 5: Solve for x
    x = 299,933,755.51/19,909.45
  6. Step 6: Final answer
    x = 15,064.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.