Home / 45,351.40-68,031.58-14,187.24

Finding the Fourth Proportional to 45,351.40, 68,031.58 and 14,187.24

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Solution

The fourth proportional to 45,351.40, 68,031.58 and 14,187.24 is: 21,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,351.40 : 68,031.58 = 14,187.24 : x
  2. Step 2: Convert to fraction form
    45,351.40/68,031.58 = 14,187.24/x
  3. Step 3: Cross multiply
    45,351.40x = 68,031.58 × 14,187.24
  4. Step 4: Simplify right side
    45,351.40x = 965,180,353.04
  5. Step 5: Solve for x
    x = 965,180,353.04/45,351.40
  6. Step 6: Final answer
    x = 21,282.26

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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.