Home / 14,118.44-21,178.38-5,354.08

Finding the Fourth Proportional to 14,118.44, 21,178.38 and 5,354.08

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Solution

The fourth proportional to 14,118.44, 21,178.38 and 5,354.08 is: 8,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.44 : 21,178.38 = 5,354.08 : x
  2. Step 2: Convert to fraction form
    14,118.44/21,178.38 = 5,354.08/x
  3. Step 3: Cross multiply
    14,118.44x = 21,178.38 × 5,354.08
  4. Step 4: Simplify right side
    14,118.44x = 113,390,740.79
  5. Step 5: Solve for x
    x = 113,390,740.79/14,118.44
  6. Step 6: Final answer
    x = 8,031.39

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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.