Home / 13,853.27-19,117.44-8,548.07

Finding the Fourth Proportional to 13,853.27, 19,117.44 and 8,548.07

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Solution

The fourth proportional to 13,853.27, 19,117.44 and 8,548.07 is: 11,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.27 : 19,117.44 = 8,548.07 : x
  2. Step 2: Convert to fraction form
    13,853.27/19,117.44 = 8,548.07/x
  3. Step 3: Cross multiply
    13,853.27x = 19,117.44 × 8,548.07
  4. Step 4: Simplify right side
    13,853.27x = 163,417,215.34
  5. Step 5: Solve for x
    x = 163,417,215.34/13,853.27
  6. Step 6: Final answer
    x = 11,796.29

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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.