Home / 19,014.91-26,229.36-11,929.03

Finding the Fourth Proportional to 19,014.91, 26,229.36 and 11,929.03

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Solution

The fourth proportional to 19,014.91, 26,229.36 and 11,929.03 is: 16,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.91 : 26,229.36 = 11,929.03 : x
  2. Step 2: Convert to fraction form
    19,014.91/26,229.36 = 11,929.03/x
  3. Step 3: Cross multiply
    19,014.91x = 26,229.36 × 11,929.03
  4. Step 4: Simplify right side
    19,014.91x = 312,890,822.32
  5. Step 5: Solve for x
    x = 312,890,822.32/19,014.91
  6. Step 6: Final answer
    x = 16,455.03

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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.