Home / 19,034.19-26,279.03-12,230.95

Finding the Fourth Proportional to 19,034.19, 26,279.03 and 12,230.95

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Solution

The fourth proportional to 19,034.19, 26,279.03 and 12,230.95 is: 16,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,034.19 : 26,279.03 = 12,230.95 : x
  2. Step 2: Convert to fraction form
    19,034.19/26,279.03 = 12,230.95/x
  3. Step 3: Cross multiply
    19,034.19x = 26,279.03 × 12,230.95
  4. Step 4: Simplify right side
    19,034.19x = 321,417,516.13
  5. Step 5: Solve for x
    x = 321,417,516.13/19,034.19
  6. Step 6: Final answer
    x = 16,886.32

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Half 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.