Home / 19,613.28-27,068.04-11,116.92

Finding the Fourth Proportional to 19,613.28, 27,068.04 and 11,116.92

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Solution

The fourth proportional to 19,613.28, 27,068.04 and 11,116.92 is: 15,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.28 : 27,068.04 = 11,116.92 : x
  2. Step 2: Convert to fraction form
    19,613.28/27,068.04 = 11,116.92/x
  3. Step 3: Cross multiply
    19,613.28x = 27,068.04 × 11,116.92
  4. Step 4: Simplify right side
    19,613.28x = 300,913,235.24
  5. Step 5: Solve for x
    x = 300,913,235.24/19,613.28
  6. Step 6: Final answer
    x = 15,342.32

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Double scale
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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.