Home / 19,265.72-26,585.82-12,099.35

Finding the Fourth Proportional to 19,265.72, 26,585.82 and 12,099.35

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Solution

The fourth proportional to 19,265.72, 26,585.82 and 12,099.35 is: 16,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.72 : 26,585.82 = 12,099.35 : x
  2. Step 2: Convert to fraction form
    19,265.72/26,585.82 = 12,099.35/x
  3. Step 3: Cross multiply
    19,265.72x = 26,585.82 × 12,099.35
  4. Step 4: Simplify right side
    19,265.72x = 321,671,141.22
  5. Step 5: Solve for x
    x = 321,671,141.22/19,265.72
  6. Step 6: Final answer
    x = 16,696.55

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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.