Home / 21,950.04-30,291.06-12,014.04

Finding the Fourth Proportional to 21,950.04, 30,291.06 and 12,014.04

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Solution

The fourth proportional to 21,950.04, 30,291.06 and 12,014.04 is: 16,579.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950.04 : 30,291.06 = 12,014.04 : x
  2. Step 2: Convert to fraction form
    21,950.04/30,291.06 = 12,014.04/x
  3. Step 3: Cross multiply
    21,950.04x = 30,291.06 × 12,014.04
  4. Step 4: Simplify right side
    21,950.04x = 363,918,006.48
  5. Step 5: Solve for x
    x = 363,918,006.48/21,950.04
  6. Step 6: Final answer
    x = 16,579.38

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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.