Home / 13,877.64-19,150.44-8,572.92

Finding the Fourth Proportional to 13,877.64, 19,150.44 and 8,572.92

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Solution

The fourth proportional to 13,877.64, 19,150.44 and 8,572.92 is: 11,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.64 : 19,150.44 = 8,572.92 : x
  2. Step 2: Convert to fraction form
    13,877.64/19,150.44 = 8,572.92/x
  3. Step 3: Cross multiply
    13,877.64x = 19,150.44 × 8,572.92
  4. Step 4: Simplify right side
    13,877.64x = 164,175,190.08
  5. Step 5: Solve for x
    x = 164,175,190.08/13,877.64
  6. Step 6: Final answer
    x = 11,830.20

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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.