Home / 19,165.13-26,443.89-11,205.81

Finding the Fourth Proportional to 19,165.13, 26,443.89 and 11,205.81

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Solution

The fourth proportional to 19,165.13, 26,443.89 and 11,205.81 is: 15,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.13 : 26,443.89 = 11,205.81 : x
  2. Step 2: Convert to fraction form
    19,165.13/26,443.89 = 11,205.81/x
  3. Step 3: Cross multiply
    19,165.13x = 26,443.89 × 11,205.81
  4. Step 4: Simplify right side
    19,165.13x = 296,325,207.00
  5. Step 5: Solve for x
    x = 296,325,207.00/19,165.13
  6. Step 6: Final answer
    x = 15,461.69

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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.