Home / 19,365.33-26,715.29-11,403.74

Finding the Fourth Proportional to 19,365.33, 26,715.29 and 11,403.74

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Solution

The fourth proportional to 19,365.33, 26,715.29 and 11,403.74 is: 15,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.33 : 26,715.29 = 11,403.74 : x
  2. Step 2: Convert to fraction form
    19,365.33/26,715.29 = 11,403.74/x
  3. Step 3: Cross multiply
    19,365.33x = 26,715.29 × 11,403.74
  4. Step 4: Simplify right side
    19,365.33x = 304,654,230.95
  5. Step 5: Solve for x
    x = 304,654,230.95/19,365.33
  6. Step 6: Final answer
    x = 15,731.94

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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.