Home / 18,503.52-25,534.35-10,120.02

Finding the Fourth Proportional to 18,503.52, 25,534.35 and 10,120.02

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Solution

The fourth proportional to 18,503.52, 25,534.35 and 10,120.02 is: 13,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.52 : 25,534.35 = 10,120.02 : x
  2. Step 2: Convert to fraction form
    18,503.52/25,534.35 = 10,120.02/x
  3. Step 3: Cross multiply
    18,503.52x = 25,534.35 × 10,120.02
  4. Step 4: Simplify right side
    18,503.52x = 258,408,132.69
  5. Step 5: Solve for x
    x = 258,408,132.69/18,503.52
  6. Step 6: Final answer
    x = 13,965.35

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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.