Home / 20,218.14-27,901.56-11,266.02

Finding the Fourth Proportional to 20,218.14, 27,901.56 and 11,266.02

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Solution

The fourth proportional to 20,218.14, 27,901.56 and 11,266.02 is: 15,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218.14 : 27,901.56 = 11,266.02 : x
  2. Step 2: Convert to fraction form
    20,218.14/27,901.56 = 11,266.02/x
  3. Step 3: Cross multiply
    20,218.14x = 27,901.56 × 11,266.02
  4. Step 4: Simplify right side
    20,218.14x = 314,339,532.99
  5. Step 5: Solve for x
    x = 314,339,532.99/20,218.14
  6. Step 6: Final answer
    x = 15,547.40

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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.