Home / 14,123.30-19,477.29-11,761.70

Finding the Fourth Proportional to 14,123.30, 19,477.29 and 11,761.70

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Solution

The fourth proportional to 14,123.30, 19,477.29 and 11,761.70 is: 16,220.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.30 : 19,477.29 = 11,761.70 : x
  2. Step 2: Convert to fraction form
    14,123.30/19,477.29 = 11,761.70/x
  3. Step 3: Cross multiply
    14,123.30x = 19,477.29 × 11,761.70
  4. Step 4: Simplify right side
    14,123.30x = 229,086,041.79
  5. Step 5: Solve for x
    x = 229,086,041.79/14,123.30
  6. Step 6: Final answer
    x = 16,220.43

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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.