Home / 18,316.85-25,277.40-9,933.35

Finding the Fourth Proportional to 18,316.85, 25,277.40 and 9,933.35

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Solution

The fourth proportional to 18,316.85, 25,277.40 and 9,933.35 is: 13,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.85 : 25,277.40 = 9,933.35 : x
  2. Step 2: Convert to fraction form
    18,316.85/25,277.40 = 9,933.35/x
  3. Step 3: Cross multiply
    18,316.85x = 25,277.40 × 9,933.35
  4. Step 4: Simplify right side
    18,316.85x = 251,089,134.90
  5. Step 5: Solve for x
    x = 251,089,134.90/18,316.85
  6. Step 6: Final answer
    x = 13,708.10

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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.