Home / 13,887.56-19,164.87-7,599.94

Finding the Fourth Proportional to 13,887.56, 19,164.87 and 7,599.94

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Solution

The fourth proportional to 13,887.56, 19,164.87 and 7,599.94 is: 10,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887.56 : 19,164.87 = 7,599.94 : x
  2. Step 2: Convert to fraction form
    13,887.56/19,164.87 = 7,599.94/x
  3. Step 3: Cross multiply
    13,887.56x = 19,164.87 × 7,599.94
  4. Step 4: Simplify right side
    13,887.56x = 145,651,814.20
  5. Step 5: Solve for x
    x = 145,651,814.20/13,887.56
  6. Step 6: Final answer
    x = 10,487.93

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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.