Home / 19,113.69-28,670.27-9,253.83

Finding the Fourth Proportional to 19,113.69, 28,670.27 and 9,253.83

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Solution

The fourth proportional to 19,113.69, 28,670.27 and 9,253.83 is: 13,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,113.69 : 28,670.27 = 9,253.83 : x
  2. Step 2: Convert to fraction form
    19,113.69/28,670.27 = 9,253.83/x
  3. Step 3: Cross multiply
    19,113.69x = 28,670.27 × 9,253.83
  4. Step 4: Simplify right side
    19,113.69x = 265,309,758.36
  5. Step 5: Solve for x
    x = 265,309,758.36/19,113.69
  6. Step 6: Final answer
    x = 13,880.61

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.