Home / 13,861.95-19,127.57-7,893.33

Finding the Fourth Proportional to 13,861.95, 19,127.57 and 7,893.33

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Solution

The fourth proportional to 13,861.95, 19,127.57 and 7,893.33 is: 10,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,861.95 : 19,127.57 = 7,893.33 : x
  2. Step 2: Convert to fraction form
    13,861.95/19,127.57 = 7,893.33/x
  3. Step 3: Cross multiply
    13,861.95x = 19,127.57 × 7,893.33
  4. Step 4: Simplify right side
    13,861.95x = 150,980,182.64
  5. Step 5: Solve for x
    x = 150,980,182.64/13,861.95
  6. Step 6: Final answer
    x = 10,891.70

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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.