Home / 17,028.40-23,510.18-10,981.35

Finding the Fourth Proportional to 17,028.40, 23,510.18 and 10,981.35

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Solution

The fourth proportional to 17,028.40, 23,510.18 and 10,981.35 is: 15,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,028.40 : 23,510.18 = 10,981.35 : x
  2. Step 2: Convert to fraction form
    17,028.40/23,510.18 = 10,981.35/x
  3. Step 3: Cross multiply
    17,028.40x = 23,510.18 × 10,981.35
  4. Step 4: Simplify right side
    17,028.40x = 258,173,515.14
  5. Step 5: Solve for x
    x = 258,173,515.14/17,028.40
  6. Step 6: Final answer
    x = 15,161.35

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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.