Home / 14,031.28-21,050.40-4,170.54

Finding the Fourth Proportional to 14,031.28, 21,050.40 and 4,170.54

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Solution

The fourth proportional to 14,031.28, 21,050.40 and 4,170.54 is: 6,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.28 : 21,050.40 = 4,170.54 : x
  2. Step 2: Convert to fraction form
    14,031.28/21,050.40 = 4,170.54/x
  3. Step 3: Cross multiply
    14,031.28x = 21,050.40 × 4,170.54
  4. Step 4: Simplify right side
    14,031.28x = 87,791,535.22
  5. Step 5: Solve for x
    x = 87,791,535.22/14,031.28
  6. Step 6: Final answer
    x = 6,256.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.