Home / 18,365.60-25,350.26-10,811.34

Finding the Fourth Proportional to 18,365.60, 25,350.26 and 10,811.34

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Solution

The fourth proportional to 18,365.60, 25,350.26 and 10,811.34 is: 14,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365.60 : 25,350.26 = 10,811.34 : x
  2. Step 2: Convert to fraction form
    18,365.60/25,350.26 = 10,811.34/x
  3. Step 3: Cross multiply
    18,365.60x = 25,350.26 × 10,811.34
  4. Step 4: Simplify right side
    18,365.60x = 274,070,225.89
  5. Step 5: Solve for x
    x = 274,070,225.89/18,365.60
  6. Step 6: Final answer
    x = 14,923.02

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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.