Home / 13,845.74-19,113.97-8,543.48

Finding the Fourth Proportional to 13,845.74, 19,113.97 and 8,543.48

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Solution

The fourth proportional to 13,845.74, 19,113.97 and 8,543.48 is: 11,794.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845.74 : 19,113.97 = 8,543.48 : x
  2. Step 2: Convert to fraction form
    13,845.74/19,113.97 = 8,543.48/x
  3. Step 3: Cross multiply
    13,845.74x = 19,113.97 × 8,543.48
  4. Step 4: Simplify right side
    13,845.74x = 163,299,820.42
  5. Step 5: Solve for x
    x = 163,299,820.42/13,845.74
  6. Step 6: Final answer
    x = 11,794.23

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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.