Home / 19,278.23-26,602.47-11,723.54

Finding the Fourth Proportional to 19,278.23, 26,602.47 and 11,723.54

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Solution

The fourth proportional to 19,278.23, 26,602.47 and 11,723.54 is: 16,177.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.23 : 26,602.47 = 11,723.54 : x
  2. Step 2: Convert to fraction form
    19,278.23/26,602.47 = 11,723.54/x
  3. Step 3: Cross multiply
    19,278.23x = 26,602.47 × 11,723.54
  4. Step 4: Simplify right side
    19,278.23x = 311,874,988.13
  5. Step 5: Solve for x
    x = 311,874,988.13/19,278.23
  6. Step 6: Final answer
    x = 16,177.58

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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.