Home / 29,150.16-43,715.91-12,505.71

Finding the Fourth Proportional to 29,150.16, 43,715.91 and 12,505.71

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Solution

The fourth proportional to 29,150.16, 43,715.91 and 12,505.71 is: 18,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,150.16 : 43,715.91 = 12,505.71 : x
  2. Step 2: Convert to fraction form
    29,150.16/43,715.91 = 12,505.71/x
  3. Step 3: Cross multiply
    29,150.16x = 43,715.91 × 12,505.71
  4. Step 4: Simplify right side
    29,150.16x = 546,698,492.85
  5. Step 5: Solve for x
    x = 546,698,492.85/29,150.16
  6. Step 6: Final answer
    x = 18,754.56

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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.