Home / 42,622.29-63,925.74-11,450.25

Finding the Fourth Proportional to 42,622.29, 63,925.74 and 11,450.25

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Solution

The fourth proportional to 42,622.29, 63,925.74 and 11,450.25 is: 17,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,622.29 : 63,925.74 = 11,450.25 : x
  2. Step 2: Convert to fraction form
    42,622.29/63,925.74 = 11,450.25/x
  3. Step 3: Cross multiply
    42,622.29x = 63,925.74 × 11,450.25
  4. Step 4: Simplify right side
    42,622.29x = 731,965,704.44
  5. Step 5: Solve for x
    x = 731,965,704.44/42,622.29
  6. Step 6: Final answer
    x = 17,173.31

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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.