Home / 28,885.38-43,334.55-9,164.58

Finding the Fourth Proportional to 28,885.38, 43,334.55 and 9,164.58

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Solution

The fourth proportional to 28,885.38, 43,334.55 and 9,164.58 is: 13,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.38 : 43,334.55 = 9,164.58 : x
  2. Step 2: Convert to fraction form
    28,885.38/43,334.55 = 9,164.58/x
  3. Step 3: Cross multiply
    28,885.38x = 43,334.55 × 9,164.58
  4. Step 4: Simplify right side
    28,885.38x = 397,142,950.24
  5. Step 5: Solve for x
    x = 397,142,950.24/28,885.38
  6. Step 6: Final answer
    x = 13,748.93

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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.