Home / 19,177.63-26,465.09-11,218.30

Finding the Fourth Proportional to 19,177.63, 26,465.09 and 11,218.30

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Solution

The fourth proportional to 19,177.63, 26,465.09 and 11,218.30 is: 15,481.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.63 : 26,465.09 = 11,218.30 : x
  2. Step 2: Convert to fraction form
    19,177.63/26,465.09 = 11,218.30/x
  3. Step 3: Cross multiply
    19,177.63x = 26,465.09 × 11,218.30
  4. Step 4: Simplify right side
    19,177.63x = 296,893,196.89
  5. Step 5: Solve for x
    x = 296,893,196.89/19,177.63
  6. Step 6: Final answer
    x = 15,481.23

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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.