Home / 19,138.23-26,411.39-11,585.92

Finding the Fourth Proportional to 19,138.23, 26,411.39 and 11,585.92

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Solution

The fourth proportional to 19,138.23, 26,411.39 and 11,585.92 is: 15,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,138.23 : 26,411.39 = 11,585.92 : x
  2. Step 2: Convert to fraction form
    19,138.23/26,411.39 = 11,585.92/x
  3. Step 3: Cross multiply
    19,138.23x = 26,411.39 × 11,585.92
  4. Step 4: Simplify right side
    19,138.23x = 306,000,251.63
  5. Step 5: Solve for x
    x = 306,000,251.63/19,138.23
  6. Step 6: Final answer
    x = 15,988.95

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Half scale
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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.