Home / 19,151.98-26,431.32-10,654.90

Finding the Fourth Proportional to 19,151.98, 26,431.32 and 10,654.90

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Solution

The fourth proportional to 19,151.98, 26,431.32 and 10,654.90 is: 14,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.98 : 26,431.32 = 10,654.90 : x
  2. Step 2: Convert to fraction form
    19,151.98/26,431.32 = 10,654.90/x
  3. Step 3: Cross multiply
    19,151.98x = 26,431.32 × 10,654.90
  4. Step 4: Simplify right side
    19,151.98x = 281,623,071.47
  5. Step 5: Solve for x
    x = 281,623,071.47/19,151.98
  6. Step 6: Final answer
    x = 14,704.65

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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.