Home / 19,123.83-26,390.21-10,625.85

Finding the Fourth Proportional to 19,123.83, 26,390.21 and 10,625.85

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Solution

The fourth proportional to 19,123.83, 26,390.21 and 10,625.85 is: 14,663.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.83 : 26,390.21 = 10,625.85 : x
  2. Step 2: Convert to fraction form
    19,123.83/26,390.21 = 10,625.85/x
  3. Step 3: Cross multiply
    19,123.83x = 26,390.21 × 10,625.85
  4. Step 4: Simplify right side
    19,123.83x = 280,418,359.80
  5. Step 5: Solve for x
    x = 280,418,359.80/19,123.83
  6. Step 6: Final answer
    x = 14,663.29

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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.