Home / 14,140.49-19,516.28-8,175.62

Finding the Fourth Proportional to 14,140.49, 19,516.28 and 8,175.62

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Solution

The fourth proportional to 14,140.49, 19,516.28 and 8,175.62 is: 11,283.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.49 : 19,516.28 = 8,175.62 : x
  2. Step 2: Convert to fraction form
    14,140.49/19,516.28 = 8,175.62/x
  3. Step 3: Cross multiply
    14,140.49x = 19,516.28 × 8,175.62
  4. Step 4: Simplify right side
    14,140.49x = 159,557,550.63
  5. Step 5: Solve for x
    x = 159,557,550.63/14,140.49
  6. Step 6: Final answer
    x = 11,283.74

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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.