Home / 19,351.54-26,680.07-12,533.43

Finding the Fourth Proportional to 19,351.54, 26,680.07 and 12,533.43

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Solution

The fourth proportional to 19,351.54, 26,680.07 and 12,533.43 is: 17,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.54 : 26,680.07 = 12,533.43 : x
  2. Step 2: Convert to fraction form
    19,351.54/26,680.07 = 12,533.43/x
  3. Step 3: Cross multiply
    19,351.54x = 26,680.07 × 12,533.43
  4. Step 4: Simplify right side
    19,351.54x = 334,392,727.07
  5. Step 5: Solve for x
    x = 334,392,727.07/19,351.54
  6. Step 6: Final answer
    x = 17,279.91

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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.