Home / 18,996.02-26,212.74-11,038.13

Finding the Fourth Proportional to 18,996.02, 26,212.74 and 11,038.13

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Solution

The fourth proportional to 18,996.02, 26,212.74 and 11,038.13 is: 15,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996.02 : 26,212.74 = 11,038.13 : x
  2. Step 2: Convert to fraction form
    18,996.02/26,212.74 = 11,038.13/x
  3. Step 3: Cross multiply
    18,996.02x = 26,212.74 × 11,038.13
  4. Step 4: Simplify right side
    18,996.02x = 289,339,631.78
  5. Step 5: Solve for x
    x = 289,339,631.78/18,996.02
  6. Step 6: Final answer
    x = 15,231.59

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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.