Home / 17,759.29-26,643.40-5,109.07

Finding the Fourth Proportional to 17,759.29, 26,643.40 and 5,109.07

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Solution

The fourth proportional to 17,759.29, 26,643.40 and 5,109.07 is: 7,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,759.29 : 26,643.40 = 5,109.07 : x
  2. Step 2: Convert to fraction form
    17,759.29/26,643.40 = 5,109.07/x
  3. Step 3: Cross multiply
    17,759.29x = 26,643.40 × 5,109.07
  4. Step 4: Simplify right side
    17,759.29x = 136,122,916.26
  5. Step 5: Solve for x
    x = 136,122,916.26/17,759.29
  6. Step 6: Final answer
    x = 7,664.89

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1.5x scale

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.