Home / 18,610.28-25,681.61-10,651.98

Finding the Fourth Proportional to 18,610.28, 25,681.61 and 10,651.98

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Solution

The fourth proportional to 18,610.28, 25,681.61 and 10,651.98 is: 14,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610.28 : 25,681.61 = 10,651.98 : x
  2. Step 2: Convert to fraction form
    18,610.28/25,681.61 = 10,651.98/x
  3. Step 3: Cross multiply
    18,610.28x = 25,681.61 × 10,651.98
  4. Step 4: Simplify right side
    18,610.28x = 273,559,996.09
  5. Step 5: Solve for x
    x = 273,559,996.09/18,610.28
  6. Step 6: Final answer
    x = 14,699.40

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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.