Home / 19,106.01-26,360.91-12,391.92

Finding the Fourth Proportional to 19,106.01, 26,360.91 and 12,391.92

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Solution

The fourth proportional to 19,106.01, 26,360.91 and 12,391.92 is: 17,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.01 : 26,360.91 = 12,391.92 : x
  2. Step 2: Convert to fraction form
    19,106.01/26,360.91 = 12,391.92/x
  3. Step 3: Cross multiply
    19,106.01x = 26,360.91 × 12,391.92
  4. Step 4: Simplify right side
    19,106.01x = 326,662,287.85
  5. Step 5: Solve for x
    x = 326,662,287.85/19,106.01
  6. Step 6: Final answer
    x = 17,097.36

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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.