Home / 17,920.59-26,835.53-13,242.03

Finding the Fourth Proportional to 17,920.59, 26,835.53 and 13,242.03

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Solution

The fourth proportional to 17,920.59, 26,835.53 and 13,242.03 is: 19,829.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.59 : 26,835.53 = 13,242.03 : x
  2. Step 2: Convert to fraction form
    17,920.59/26,835.53 = 13,242.03/x
  3. Step 3: Cross multiply
    17,920.59x = 26,835.53 × 13,242.03
  4. Step 4: Simplify right side
    17,920.59x = 355,356,827.12
  5. Step 5: Solve for x
    x = 355,356,827.12/17,920.59
  6. Step 6: Final answer
    x = 19,829.53

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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.