Home / 14,140.16-19,516.95-8,175.57

Finding the Fourth Proportional to 14,140.16, 19,516.95 and 8,175.57

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Solution

The fourth proportional to 14,140.16, 19,516.95 and 8,175.57 is: 11,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.16 : 19,516.95 = 8,175.57 : x
  2. Step 2: Convert to fraction form
    14,140.16/19,516.95 = 8,175.57/x
  3. Step 3: Cross multiply
    14,140.16x = 19,516.95 × 8,175.57
  4. Step 4: Simplify right side
    14,140.16x = 159,562,190.91
  5. Step 5: Solve for x
    x = 159,562,190.91/14,140.16
  6. Step 6: Final answer
    x = 11,284.33

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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.