Home / 22,428.12-33,646.14-9,273.12

Finding the Fourth Proportional to 22,428.12, 33,646.14 and 9,273.12

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Solution

The fourth proportional to 22,428.12, 33,646.14 and 9,273.12 is: 13,911.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.12 : 33,646.14 = 9,273.12 : x
  2. Step 2: Convert to fraction form
    22,428.12/33,646.14 = 9,273.12/x
  3. Step 3: Cross multiply
    22,428.12x = 33,646.14 × 9,273.12
  4. Step 4: Simplify right side
    22,428.12x = 312,004,693.76
  5. Step 5: Solve for x
    x = 312,004,693.76/22,428.12
  6. Step 6: Final answer
    x = 13,911.32

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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.