Home / 13,885.54-19,161.60-7,597.78

Finding the Fourth Proportional to 13,885.54, 19,161.60 and 7,597.78

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Solution

The fourth proportional to 13,885.54, 19,161.60 and 7,597.78 is: 10,484.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.54 : 19,161.60 = 7,597.78 : x
  2. Step 2: Convert to fraction form
    13,885.54/19,161.60 = 7,597.78/x
  3. Step 3: Cross multiply
    13,885.54x = 19,161.60 × 7,597.78
  4. Step 4: Simplify right side
    13,885.54x = 145,585,621.25
  5. Step 5: Solve for x
    x = 145,585,621.25/13,885.54
  6. Step 6: Final answer
    x = 10,484.69

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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.