Home / 19,177.38-26,465.13-11,222.10

Finding the Fourth Proportional to 19,177.38, 26,465.13 and 11,222.10

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Solution

The fourth proportional to 19,177.38, 26,465.13 and 11,222.10 is: 15,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.38 : 26,465.13 = 11,222.10 : x
  2. Step 2: Convert to fraction form
    19,177.38/26,465.13 = 11,222.10/x
  3. Step 3: Cross multiply
    19,177.38x = 26,465.13 × 11,222.10
  4. Step 4: Simplify right side
    19,177.38x = 296,994,335.37
  5. Step 5: Solve for x
    x = 296,994,335.37/19,177.38
  6. Step 6: Final answer
    x = 15,486.70

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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.