Home / 53,327.90-79,991.57-13,884.95

Finding the Fourth Proportional to 53,327.90, 79,991.57 and 13,884.95

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Solution

The fourth proportional to 53,327.90, 79,991.57 and 13,884.95 is: 20,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,327.90 : 79,991.57 = 13,884.95 : x
  2. Step 2: Convert to fraction form
    53,327.90/79,991.57 = 13,884.95/x
  3. Step 3: Cross multiply
    53,327.90x = 79,991.57 × 13,884.95
  4. Step 4: Simplify right side
    53,327.90x = 1,110,679,184.56
  5. Step 5: Solve for x
    x = 1,110,679,184.56/53,327.90
  6. Step 6: Final answer
    x = 20,827.36

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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.