Home / 19,151.38-26,429.60-10,654.48

Finding the Fourth Proportional to 19,151.38, 26,429.60 and 10,654.48

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Solution

The fourth proportional to 19,151.38, 26,429.60 and 10,654.48 is: 14,703.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.38 : 26,429.60 = 10,654.48 : x
  2. Step 2: Convert to fraction form
    19,151.38/26,429.60 = 10,654.48/x
  3. Step 3: Cross multiply
    19,151.38x = 26,429.60 × 10,654.48
  4. Step 4: Simplify right side
    19,151.38x = 281,593,644.61
  5. Step 5: Solve for x
    x = 281,593,644.61/19,151.38
  6. Step 6: Final answer
    x = 14,703.57

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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.