Home / 19,472.83-29,218.79-12,075.37

Finding the Fourth Proportional to 19,472.83, 29,218.79 and 12,075.37

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Solution

The fourth proportional to 19,472.83, 29,218.79 and 12,075.37 is: 18,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.83 : 29,218.79 = 12,075.37 : x
  2. Step 2: Convert to fraction form
    19,472.83/29,218.79 = 12,075.37/x
  3. Step 3: Cross multiply
    19,472.83x = 29,218.79 × 12,075.37
  4. Step 4: Simplify right side
    19,472.83x = 352,827,700.20
  5. Step 5: Solve for x
    x = 352,827,700.20/19,472.83
  6. Step 6: Final answer
    x = 18,118.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.