Home / 14,031.90-21,040.47-4,169.70

Finding the Fourth Proportional to 14,031.90, 21,040.47 and 4,169.70

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Solution

The fourth proportional to 14,031.90, 21,040.47 and 4,169.70 is: 6,252.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.90 : 21,040.47 = 4,169.70 : x
  2. Step 2: Convert to fraction form
    14,031.90/21,040.47 = 4,169.70/x
  3. Step 3: Cross multiply
    14,031.90x = 21,040.47 × 4,169.70
  4. Step 4: Simplify right side
    14,031.90x = 87,732,447.76
  5. Step 5: Solve for x
    x = 87,732,447.76/14,031.90
  6. Step 6: Final answer
    x = 6,252.36

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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.