Home / 14,224.08-19,629.32-8,259.28

Finding the Fourth Proportional to 14,224.08, 19,629.32 and 8,259.28

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Solution

The fourth proportional to 14,224.08, 19,629.32 and 8,259.28 is: 11,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.08 : 19,629.32 = 8,259.28 : x
  2. Step 2: Convert to fraction form
    14,224.08/19,629.32 = 8,259.28/x
  3. Step 3: Cross multiply
    14,224.08x = 19,629.32 × 8,259.28
  4. Step 4: Simplify right side
    14,224.08x = 162,124,050.09
  5. Step 5: Solve for x
    x = 162,124,050.09/14,224.08
  6. Step 6: Final answer
    x = 11,397.86

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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.