Home / 19,169.17-26,454.05-10,438.41

Finding the Fourth Proportional to 19,169.17, 26,454.05 and 10,438.41

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Solution

The fourth proportional to 19,169.17, 26,454.05 and 10,438.41 is: 14,405.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.17 : 26,454.05 = 10,438.41 : x
  2. Step 2: Convert to fraction form
    19,169.17/26,454.05 = 10,438.41/x
  3. Step 3: Cross multiply
    19,169.17x = 26,454.05 × 10,438.41
  4. Step 4: Simplify right side
    19,169.17x = 276,138,220.06
  5. Step 5: Solve for x
    x = 276,138,220.06/19,169.17
  6. Step 6: Final answer
    x = 14,405.33

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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.