Home / 22,298.02-30,770.13-12,866.02

Finding the Fourth Proportional to 22,298.02, 30,770.13 and 12,866.02

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Solution

The fourth proportional to 22,298.02, 30,770.13 and 12,866.02 is: 17,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,298.02 : 30,770.13 = 12,866.02 : x
  2. Step 2: Convert to fraction form
    22,298.02/30,770.13 = 12,866.02/x
  3. Step 3: Cross multiply
    22,298.02x = 30,770.13 × 12,866.02
  4. Step 4: Simplify right side
    22,298.02x = 395,889,107.98
  5. Step 5: Solve for x
    x = 395,889,107.98/22,298.02
  6. Step 6: Final answer
    x = 17,754.45

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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.