Home / 13,355.88-18,418.02-10,177.56

Finding the Fourth Proportional to 13,355.88, 18,418.02 and 10,177.56

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Solution

The fourth proportional to 13,355.88, 18,418.02 and 10,177.56 is: 14,035.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.88 : 18,418.02 = 10,177.56 : x
  2. Step 2: Convert to fraction form
    13,355.88/18,418.02 = 10,177.56/x
  3. Step 3: Cross multiply
    13,355.88x = 18,418.02 × 10,177.56
  4. Step 4: Simplify right side
    13,355.88x = 187,450,503.63
  5. Step 5: Solve for x
    x = 187,450,503.63/13,355.88
  6. Step 6: Final answer
    x = 14,035.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.