Home / 17,720.33-26,581.10-9,389.07

Finding the Fourth Proportional to 17,720.33, 26,581.10 and 9,389.07

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Solution

The fourth proportional to 17,720.33, 26,581.10 and 9,389.07 is: 14,083.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.33 : 26,581.10 = 9,389.07 : x
  2. Step 2: Convert to fraction form
    17,720.33/26,581.10 = 9,389.07/x
  3. Step 3: Cross multiply
    17,720.33x = 26,581.10 × 9,389.07
  4. Step 4: Simplify right side
    17,720.33x = 249,571,761.63
  5. Step 5: Solve for x
    x = 249,571,761.63/17,720.33
  6. Step 6: Final answer
    x = 14,083.93

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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.