Home / 19,156.40-26,436.33-10,659.09

Finding the Fourth Proportional to 19,156.40, 26,436.33 and 10,659.09

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Solution

The fourth proportional to 19,156.40, 26,436.33 and 10,659.09 is: 14,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156.40 : 26,436.33 = 10,659.09 : x
  2. Step 2: Convert to fraction form
    19,156.40/26,436.33 = 10,659.09/x
  3. Step 3: Cross multiply
    19,156.40x = 26,436.33 × 10,659.09
  4. Step 4: Simplify right side
    19,156.40x = 281,787,220.74
  5. Step 5: Solve for x
    x = 281,787,220.74/19,156.40
  6. Step 6: Final answer
    x = 14,709.83

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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.