Home / 19,613.16-27,059.94-12,165.48

Finding the Fourth Proportional to 19,613.16, 27,059.94 and 12,165.48

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Solution

The fourth proportional to 19,613.16, 27,059.94 and 12,165.48 is: 16,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.16 : 27,059.94 = 12,165.48 : x
  2. Step 2: Convert to fraction form
    19,613.16/27,059.94 = 12,165.48/x
  3. Step 3: Cross multiply
    19,613.16x = 27,059.94 × 12,165.48
  4. Step 4: Simplify right side
    19,613.16x = 329,197,158.87
  5. Step 5: Solve for x
    x = 329,197,158.87/19,613.16
  6. Step 6: Final answer
    x = 16,784.50

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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.