Home / 14,031.81-21,048.63-4,170.27

Finding the Fourth Proportional to 14,031.81, 21,048.63 and 4,170.27

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Solution

The fourth proportional to 14,031.81, 21,048.63 and 4,170.27 is: 6,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.81 : 21,048.63 = 4,170.27 : x
  2. Step 2: Convert to fraction form
    14,031.81/21,048.63 = 4,170.27/x
  3. Step 3: Cross multiply
    14,031.81x = 21,048.63 × 4,170.27
  4. Step 4: Simplify right side
    14,031.81x = 87,778,470.23
  5. Step 5: Solve for x
    x = 87,778,470.23/14,031.81
  6. Step 6: Final answer
    x = 6,255.68

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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.