Home / 22,347.05-30,830.10-14,393.88

Finding the Fourth Proportional to 22,347.05, 30,830.10 and 14,393.88

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Solution

The fourth proportional to 22,347.05, 30,830.10 and 14,393.88 is: 19,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,347.05 : 30,830.10 = 14,393.88 : x
  2. Step 2: Convert to fraction form
    22,347.05/30,830.10 = 14,393.88/x
  3. Step 3: Cross multiply
    22,347.05x = 30,830.10 × 14,393.88
  4. Step 4: Simplify right side
    22,347.05x = 443,764,813.77
  5. Step 5: Solve for x
    x = 443,764,813.77/22,347.05
  6. Step 6: Final answer
    x = 19,857.87

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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.