Home / 19,110.39-26,371.82-10,612.29

Finding the Fourth Proportional to 19,110.39, 26,371.82 and 10,612.29

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Solution

The fourth proportional to 19,110.39, 26,371.82 and 10,612.29 is: 14,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.39 : 26,371.82 = 10,612.29 : x
  2. Step 2: Convert to fraction form
    19,110.39/26,371.82 = 10,612.29/x
  3. Step 3: Cross multiply
    19,110.39x = 26,371.82 × 10,612.29
  4. Step 4: Simplify right side
    19,110.39x = 279,865,428.20
  5. Step 5: Solve for x
    x = 279,865,428.20/19,110.39
  6. Step 6: Final answer
    x = 14,644.67

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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.