Home / 14,031.45-21,047.15-5,709.61

Finding the Fourth Proportional to 14,031.45, 21,047.15 and 5,709.61

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Solution

The fourth proportional to 14,031.45, 21,047.15 and 5,709.61 is: 8,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.45 : 21,047.15 = 5,709.61 : x
  2. Step 2: Convert to fraction form
    14,031.45/21,047.15 = 5,709.61/x
  3. Step 3: Cross multiply
    14,031.45x = 21,047.15 × 5,709.61
  4. Step 4: Simplify right side
    14,031.45x = 120,171,026.58
  5. Step 5: Solve for x
    x = 120,171,026.58/14,031.45
  6. Step 6: Final answer
    x = 8,564.41

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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.