Home / 14,432.37-19,918.31-8,144.25

Finding the Fourth Proportional to 14,432.37, 19,918.31 and 8,144.25

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Solution

The fourth proportional to 14,432.37, 19,918.31 and 8,144.25 is: 11,239.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.37 : 19,918.31 = 8,144.25 : x
  2. Step 2: Convert to fraction form
    14,432.37/19,918.31 = 8,144.25/x
  3. Step 3: Cross multiply
    14,432.37x = 19,918.31 × 8,144.25
  4. Step 4: Simplify right side
    14,432.37x = 162,219,655.50
  5. Step 5: Solve for x
    x = 162,219,655.50/14,432.37
  6. Step 6: Final answer
    x = 11,239.99

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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.