Home / 13,146.72-19,726.32-6,573.60

Finding the Fourth Proportional to 13,146.72, 19,726.32 and 6,573.60

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Solution

The fourth proportional to 13,146.72, 19,726.32 and 6,573.60 is: 9,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146.72 : 19,726.32 = 6,573.60 : x
  2. Step 2: Convert to fraction form
    13,146.72/19,726.32 = 6,573.60/x
  3. Step 3: Cross multiply
    13,146.72x = 19,726.32 × 6,573.60
  4. Step 4: Simplify right side
    13,146.72x = 129,672,937.15
  5. Step 5: Solve for x
    x = 129,672,937.15/13,146.72
  6. Step 6: Final answer
    x = 9,863.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.