Home / 19,739.40-29,499.93-17,683.62

Finding the Fourth Proportional to 19,739.40, 29,499.93 and 17,683.62

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Solution

The fourth proportional to 19,739.40, 29,499.93 and 17,683.62 is: 26,427.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.40 : 29,499.93 = 17,683.62 : x
  2. Step 2: Convert to fraction form
    19,739.40/29,499.93 = 17,683.62/x
  3. Step 3: Cross multiply
    19,739.40x = 29,499.93 × 17,683.62
  4. Step 4: Simplify right side
    19,739.40x = 521,665,552.15
  5. Step 5: Solve for x
    x = 521,665,552.15/19,739.40
  6. Step 6: Final answer
    x = 26,427.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.