Home / 17,428.51-26,128.07-7,560.36

Finding the Fourth Proportional to 17,428.51, 26,128.07 and 7,560.36

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Solution

The fourth proportional to 17,428.51, 26,128.07 and 7,560.36 is: 11,334.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.51 : 26,128.07 = 7,560.36 : x
  2. Step 2: Convert to fraction form
    17,428.51/26,128.07 = 7,560.36/x
  3. Step 3: Cross multiply
    17,428.51x = 26,128.07 × 7,560.36
  4. Step 4: Simplify right side
    17,428.51x = 197,537,634.21
  5. Step 5: Solve for x
    x = 197,537,634.21/17,428.51
  6. Step 6: Final answer
    x = 11,334.17

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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.