Home / 14,448.51-19,939.34-8,160.88

Finding the Fourth Proportional to 14,448.51, 19,939.34 and 8,160.88

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Solution

The fourth proportional to 14,448.51, 19,939.34 and 8,160.88 is: 11,262.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.51 : 19,939.34 = 8,160.88 : x
  2. Step 2: Convert to fraction form
    14,448.51/19,939.34 = 8,160.88/x
  3. Step 3: Cross multiply
    14,448.51x = 19,939.34 × 8,160.88
  4. Step 4: Simplify right side
    14,448.51x = 162,722,561.02
  5. Step 5: Solve for x
    x = 162,722,561.02/14,448.51
  6. Step 6: Final answer
    x = 11,262.24

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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.