Home / 14,186.16-21,284.10-5,423.58

Finding the Fourth Proportional to 14,186.16, 21,284.10 and 5,423.58

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Solution

The fourth proportional to 14,186.16, 21,284.10 and 5,423.58 is: 8,137.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.16 : 21,284.10 = 5,423.58 : x
  2. Step 2: Convert to fraction form
    14,186.16/21,284.10 = 5,423.58/x
  3. Step 3: Cross multiply
    14,186.16x = 21,284.10 × 5,423.58
  4. Step 4: Simplify right side
    14,186.16x = 115,436,019.08
  5. Step 5: Solve for x
    x = 115,436,019.08/14,186.16
  6. Step 6: Final answer
    x = 8,137.23

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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.