Home / 14,031.50-21,040.20-4,668.21

Finding the Fourth Proportional to 14,031.50, 21,040.20 and 4,668.21

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Solution

The fourth proportional to 14,031.50, 21,040.20 and 4,668.21 is: 6,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.50 : 21,040.20 = 4,668.21 : x
  2. Step 2: Convert to fraction form
    14,031.50/21,040.20 = 4,668.21/x
  3. Step 3: Cross multiply
    14,031.50x = 21,040.20 × 4,668.21
  4. Step 4: Simplify right side
    14,031.50x = 98,220,072.04
  5. Step 5: Solve for x
    x = 98,220,072.04/14,031.50
  6. Step 6: Final answer
    x = 6,999.97

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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.