Home / 19,190.98-26,476.52-11,631.86

Finding the Fourth Proportional to 19,190.98, 26,476.52 and 11,631.86

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Solution

The fourth proportional to 19,190.98, 26,476.52 and 11,631.86 is: 16,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.98 : 26,476.52 = 11,631.86 : x
  2. Step 2: Convert to fraction form
    19,190.98/26,476.52 = 11,631.86/x
  3. Step 3: Cross multiply
    19,190.98x = 26,476.52 × 11,631.86
  4. Step 4: Simplify right side
    19,190.98x = 307,971,070.62
  5. Step 5: Solve for x
    x = 307,971,070.62/19,190.98
  6. Step 6: Final answer
    x = 16,047.70

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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.