Home / 18,899.09-26,083.62-11,349.59

Finding the Fourth Proportional to 18,899.09, 26,083.62 and 11,349.59

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Solution

The fourth proportional to 18,899.09, 26,083.62 and 11,349.59 is: 15,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,899.09 : 26,083.62 = 11,349.59 : x
  2. Step 2: Convert to fraction form
    18,899.09/26,083.62 = 11,349.59/x
  3. Step 3: Cross multiply
    18,899.09x = 26,083.62 × 11,349.59
  4. Step 4: Simplify right side
    18,899.09x = 296,038,219.74
  5. Step 5: Solve for x
    x = 296,038,219.74/18,899.09
  6. Step 6: Final answer
    x = 15,664.15

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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.