Home / 16,681.14-25,028.68-7,316.30

Finding the Fourth Proportional to 16,681.14, 25,028.68 and 7,316.30

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Solution

The fourth proportional to 16,681.14, 25,028.68 and 7,316.30 is: 10,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.14 : 25,028.68 = 7,316.30 : x
  2. Step 2: Convert to fraction form
    16,681.14/25,028.68 = 7,316.30/x
  3. Step 3: Cross multiply
    16,681.14x = 25,028.68 × 7,316.30
  4. Step 4: Simplify right side
    16,681.14x = 183,117,331.48
  5. Step 5: Solve for x
    x = 183,117,331.48/16,681.14
  6. Step 6: Final answer
    x = 10,977.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.