Home / 14,040.28-21,042.15-5,710.58

Finding the Fourth Proportional to 14,040.28, 21,042.15 and 5,710.58

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Solution

The fourth proportional to 14,040.28, 21,042.15 and 5,710.58 is: 8,558.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.28 : 21,042.15 = 5,710.58 : x
  2. Step 2: Convert to fraction form
    14,040.28/21,042.15 = 5,710.58/x
  3. Step 3: Cross multiply
    14,040.28x = 21,042.15 × 5,710.58
  4. Step 4: Simplify right side
    14,040.28x = 120,162,880.95
  5. Step 5: Solve for x
    x = 120,162,880.95/14,040.28
  6. Step 6: Final answer
    x = 8,558.44

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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.