Home / 17,699.02-26,548.49-12,135.49

Finding the Fourth Proportional to 17,699.02, 26,548.49 and 12,135.49

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Solution

The fourth proportional to 17,699.02, 26,548.49 and 12,135.49 is: 18,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,699.02 : 26,548.49 = 12,135.49 : x
  2. Step 2: Convert to fraction form
    17,699.02/26,548.49 = 12,135.49/x
  3. Step 3: Cross multiply
    17,699.02x = 26,548.49 × 12,135.49
  4. Step 4: Simplify right side
    17,699.02x = 322,178,934.91
  5. Step 5: Solve for x
    x = 322,178,934.91/17,699.02
  6. Step 6: Final answer
    x = 18,203.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.