Home / 17,427.78-26,139.51-10,316.25

Finding the Fourth Proportional to 17,427.78, 26,139.51 and 10,316.25

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Solution

The fourth proportional to 17,427.78, 26,139.51 and 10,316.25 is: 15,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,427.78 : 26,139.51 = 10,316.25 : x
  2. Step 2: Convert to fraction form
    17,427.78/26,139.51 = 10,316.25/x
  3. Step 3: Cross multiply
    17,427.78x = 26,139.51 × 10,316.25
  4. Step 4: Simplify right side
    17,427.78x = 269,661,720.04
  5. Step 5: Solve for x
    x = 269,661,720.04/17,427.78
  6. Step 6: Final answer
    x = 15,473.10

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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.