Home / 17,360.09-26,019.23-7,987.17

Finding the Fourth Proportional to 17,360.09, 26,019.23 and 7,987.17

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Solution

The fourth proportional to 17,360.09, 26,019.23 and 7,987.17 is: 11,971.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,360.09 : 26,019.23 = 7,987.17 : x
  2. Step 2: Convert to fraction form
    17,360.09/26,019.23 = 7,987.17/x
  3. Step 3: Cross multiply
    17,360.09x = 26,019.23 × 7,987.17
  4. Step 4: Simplify right side
    17,360.09x = 207,820,070.92
  5. Step 5: Solve for x
    x = 207,820,070.92/17,360.09
  6. Step 6: Final answer
    x = 11,971.14

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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.