Home / 26,136.09-39,129.62-17,353.53

Finding the Fourth Proportional to 26,136.09, 39,129.62 and 17,353.53

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Solution

The fourth proportional to 26,136.09, 39,129.62 and 17,353.53 is: 25,980.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,136.09 : 39,129.62 = 17,353.53 : x
  2. Step 2: Convert to fraction form
    26,136.09/39,129.62 = 17,353.53/x
  3. Step 3: Cross multiply
    26,136.09x = 39,129.62 × 17,353.53
  4. Step 4: Simplify right side
    26,136.09x = 679,036,947.79
  5. Step 5: Solve for x
    x = 679,036,947.79/26,136.09
  6. Step 6: Final answer
    x = 25,980.82

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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.