Home / 14,412.02-19,889.14-8,124.26

Finding the Fourth Proportional to 14,412.02, 19,889.14 and 8,124.26

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Solution

The fourth proportional to 14,412.02, 19,889.14 and 8,124.26 is: 11,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.02 : 19,889.14 = 8,124.26 : x
  2. Step 2: Convert to fraction form
    14,412.02/19,889.14 = 8,124.26/x
  3. Step 3: Cross multiply
    14,412.02x = 19,889.14 × 8,124.26
  4. Step 4: Simplify right side
    14,412.02x = 161,584,544.54
  5. Step 5: Solve for x
    x = 161,584,544.54/14,412.02
  6. Step 6: Final answer
    x = 11,211.79

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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.