Home / 38,011.20-57,000.39-14,621.28

Finding the Fourth Proportional to 38,011.20, 57,000.39 and 14,621.28

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Solution

The fourth proportional to 38,011.20, 57,000.39 and 14,621.28 is: 21,925.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,011.20 : 57,000.39 = 14,621.28 : x
  2. Step 2: Convert to fraction form
    38,011.20/57,000.39 = 14,621.28/x
  3. Step 3: Cross multiply
    38,011.20x = 57,000.39 × 14,621.28
  4. Step 4: Simplify right side
    38,011.20x = 833,418,662.30
  5. Step 5: Solve for x
    x = 833,418,662.30/38,011.20
  6. Step 6: Final answer
    x = 21,925.61

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1.5x scale

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.