Home / 22,146.99-30,562.27-12,075.45

Finding the Fourth Proportional to 22,146.99, 30,562.27 and 12,075.45

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Solution

The fourth proportional to 22,146.99, 30,562.27 and 12,075.45 is: 16,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,146.99 : 30,562.27 = 12,075.45 : x
  2. Step 2: Convert to fraction form
    22,146.99/30,562.27 = 12,075.45/x
  3. Step 3: Cross multiply
    22,146.99x = 30,562.27 × 12,075.45
  4. Step 4: Simplify right side
    22,146.99x = 369,053,163.27
  5. Step 5: Solve for x
    x = 369,053,163.27/22,146.99
  6. Step 6: Final answer
    x = 16,663.81

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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.