Home / 14,186.34-21,272.29-8,265.11

Finding the Fourth Proportional to 14,186.34, 21,272.29 and 8,265.11

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Solution

The fourth proportional to 14,186.34, 21,272.29 and 8,265.11 is: 12,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.34 : 21,272.29 = 8,265.11 : x
  2. Step 2: Convert to fraction form
    14,186.34/21,272.29 = 8,265.11/x
  3. Step 3: Cross multiply
    14,186.34x = 21,272.29 × 8,265.11
  4. Step 4: Simplify right side
    14,186.34x = 175,817,689.78
  5. Step 5: Solve for x
    x = 175,817,689.78/14,186.34
  6. Step 6: Final answer
    x = 12,393.45

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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.