Home / 18,877.93-26,061.56-11,806.63

Finding the Fourth Proportional to 18,877.93, 26,061.56 and 11,806.63

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Solution

The fourth proportional to 18,877.93, 26,061.56 and 11,806.63 is: 16,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,877.93 : 26,061.56 = 11,806.63 : x
  2. Step 2: Convert to fraction form
    18,877.93/26,061.56 = 11,806.63/x
  3. Step 3: Cross multiply
    18,877.93x = 26,061.56 × 11,806.63
  4. Step 4: Simplify right side
    18,877.93x = 307,699,196.14
  5. Step 5: Solve for x
    x = 307,699,196.14/18,877.93
  6. Step 6: Final answer
    x = 16,299.41

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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.