Home / 18,854.16-26,009.76-11,296.86

Finding the Fourth Proportional to 18,854.16, 26,009.76 and 11,296.86

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Solution

The fourth proportional to 18,854.16, 26,009.76 and 11,296.86 is: 15,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.16 : 26,009.76 = 11,296.86 : x
  2. Step 2: Convert to fraction form
    18,854.16/26,009.76 = 11,296.86/x
  3. Step 3: Cross multiply
    18,854.16x = 26,009.76 × 11,296.86
  4. Step 4: Simplify right side
    18,854.16x = 293,828,617.35
  5. Step 5: Solve for x
    x = 293,828,617.35/18,854.16
  6. Step 6: Final answer
    x = 15,584.29

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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.