Home / 18,634.44-25,715.11-10,681.35

Finding the Fourth Proportional to 18,634.44, 25,715.11 and 10,681.35

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Solution

The fourth proportional to 18,634.44, 25,715.11 and 10,681.35 is: 14,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.44 : 25,715.11 = 10,681.35 : x
  2. Step 2: Convert to fraction form
    18,634.44/25,715.11 = 10,681.35/x
  3. Step 3: Cross multiply
    18,634.44x = 25,715.11 × 10,681.35
  4. Step 4: Simplify right side
    18,634.44x = 274,672,090.20
  5. Step 5: Solve for x
    x = 274,672,090.20/18,634.44
  6. Step 6: Final answer
    x = 14,740.02

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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.