Home / 14,068.74-19,418.70-8,760.42

Finding the Fourth Proportional to 14,068.74, 19,418.70 and 8,760.42

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Solution

The fourth proportional to 14,068.74, 19,418.70 and 8,760.42 is: 12,091.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.74 : 19,418.70 = 8,760.42 : x
  2. Step 2: Convert to fraction form
    14,068.74/19,418.70 = 8,760.42/x
  3. Step 3: Cross multiply
    14,068.74x = 19,418.70 × 8,760.42
  4. Step 4: Simplify right side
    14,068.74x = 170,115,967.85
  5. Step 5: Solve for x
    x = 170,115,967.85/14,068.74
  6. Step 6: Final answer
    x = 12,091.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.