Home / 19,655.18-27,124.48-10,702.86

Finding the Fourth Proportional to 19,655.18, 27,124.48 and 10,702.86

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Solution

The fourth proportional to 19,655.18, 27,124.48 and 10,702.86 is: 14,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.18 : 27,124.48 = 10,702.86 : x
  2. Step 2: Convert to fraction form
    19,655.18/27,124.48 = 10,702.86/x
  3. Step 3: Cross multiply
    19,655.18x = 27,124.48 × 10,702.86
  4. Step 4: Simplify right side
    19,655.18x = 290,309,546.15
  5. Step 5: Solve for x
    x = 290,309,546.15/19,655.18
  6. Step 6: Final answer
    x = 14,770.13

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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.