Home / 13,861.30-19,128.69-7,573.66

Finding the Fourth Proportional to 13,861.30, 19,128.69 and 7,573.66

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Solution

The fourth proportional to 13,861.30, 19,128.69 and 7,573.66 is: 10,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.30 : 19,128.69 = 7,573.66 : x
  2. Step 2: Convert to fraction form
    13,861.30/19,128.69 = 7,573.66/x
  3. Step 3: Cross multiply
    13,861.30x = 19,128.69 × 7,573.66
  4. Step 4: Simplify right side
    13,861.30x = 144,874,194.31
  5. Step 5: Solve for x
    x = 144,874,194.31/13,861.30
  6. Step 6: Final answer
    x = 10,451.70

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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.