Home / 19,351.16-26,679.87-12,533.13

Finding the Fourth Proportional to 19,351.16, 26,679.87 and 12,533.13

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Solution

The fourth proportional to 19,351.16, 26,679.87 and 12,533.13 is: 17,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.16 : 26,679.87 = 12,533.13 : x
  2. Step 2: Convert to fraction form
    19,351.16/26,679.87 = 12,533.13/x
  3. Step 3: Cross multiply
    19,351.16x = 26,679.87 × 12,533.13
  4. Step 4: Simplify right side
    19,351.16x = 334,382,279.09
  5. Step 5: Solve for x
    x = 334,382,279.09/19,351.16
  6. Step 6: Final answer
    x = 17,279.71

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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.