Home / 22,728.26-31,405.68-17,705.45

Finding the Fourth Proportional to 22,728.26, 31,405.68 and 17,705.45

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Solution

The fourth proportional to 22,728.26, 31,405.68 and 17,705.45 is: 24,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.26 : 31,405.68 = 17,705.45 : x
  2. Step 2: Convert to fraction form
    22,728.26/31,405.68 = 17,705.45/x
  3. Step 3: Cross multiply
    22,728.26x = 31,405.68 × 17,705.45
  4. Step 4: Simplify right side
    22,728.26x = 556,051,696.96
  5. Step 5: Solve for x
    x = 556,051,696.96/22,728.26
  6. Step 6: Final answer
    x = 24,465.21

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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.