Home / 14,031.36-21,047.08-4,170.68

Finding the Fourth Proportional to 14,031.36, 21,047.08 and 4,170.68

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Solution

The fourth proportional to 14,031.36, 21,047.08 and 4,170.68 is: 6,256.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.36 : 21,047.08 = 4,170.68 : x
  2. Step 2: Convert to fraction form
    14,031.36/21,047.08 = 4,170.68/x
  3. Step 3: Cross multiply
    14,031.36x = 21,047.08 × 4,170.68
  4. Step 4: Simplify right side
    14,031.36x = 87,780,635.61
  5. Step 5: Solve for x
    x = 87,780,635.61/14,031.36
  6. Step 6: Final answer
    x = 6,256.03

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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.