Home / 19,118.38-26,391.68-14,881.06

Finding the Fourth Proportional to 19,118.38, 26,391.68 and 14,881.06

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Solution

The fourth proportional to 19,118.38, 26,391.68 and 14,881.06 is: 20,542.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.38 : 26,391.68 = 14,881.06 : x
  2. Step 2: Convert to fraction form
    19,118.38/26,391.68 = 14,881.06/x
  3. Step 3: Cross multiply
    19,118.38x = 26,391.68 × 14,881.06
  4. Step 4: Simplify right side
    19,118.38x = 392,736,173.58
  5. Step 5: Solve for x
    x = 392,736,173.58/19,118.38
  6. Step 6: Final answer
    x = 20,542.34

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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.