Home / 17,328.16-23,906.56-10,955.20

Finding the Fourth Proportional to 17,328.16, 23,906.56 and 10,955.20

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Solution

The fourth proportional to 17,328.16, 23,906.56 and 10,955.20 is: 15,114.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,328.16 : 23,906.56 = 10,955.20 : x
  2. Step 2: Convert to fraction form
    17,328.16/23,906.56 = 10,955.20/x
  3. Step 3: Cross multiply
    17,328.16x = 23,906.56 × 10,955.20
  4. Step 4: Simplify right side
    17,328.16x = 261,901,146.11
  5. Step 5: Solve for x
    x = 261,901,146.11/17,328.16
  6. Step 6: Final answer
    x = 15,114.19

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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.