Home / 19,903.55-29,851.93-18,805.59

Finding the Fourth Proportional to 19,903.55, 29,851.93 and 18,805.59

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Solution

The fourth proportional to 19,903.55, 29,851.93 and 18,805.59 is: 28,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903.55 : 29,851.93 = 18,805.59 : x
  2. Step 2: Convert to fraction form
    19,903.55/29,851.93 = 18,805.59/x
  3. Step 3: Cross multiply
    19,903.55x = 29,851.93 × 18,805.59
  4. Step 4: Simplify right side
    19,903.55x = 561,383,291.74
  5. Step 5: Solve for x
    x = 561,383,291.74/19,903.55
  6. Step 6: Final answer
    x = 28,205.19

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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.