Home / 16,973.28-25,455-7,112.28

Finding the Fourth Proportional to 16,973.28, 25,455 and 7,112.28

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Solution

The fourth proportional to 16,973.28, 25,455 and 7,112.28 is: 10,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,973.28 : 25,455 = 7,112.28 : x
  2. Step 2: Convert to fraction form
    16,973.28/25,455 = 7,112.28/x
  3. Step 3: Cross multiply
    16,973.28x = 25,455 × 7,112.28
  4. Step 4: Simplify right side
    16,973.28x = 181,043,087.40
  5. Step 5: Solve for x
    x = 181,043,087.40/16,973.28
  6. Step 6: Final answer
    x = 10,666.36

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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.