Home / 17,271.90-25,899.35-5,583.60

Finding the Fourth Proportional to 17,271.90, 25,899.35 and 5,583.60

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Solution

The fourth proportional to 17,271.90, 25,899.35 and 5,583.60 is: 8,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,271.90 : 25,899.35 = 5,583.60 : x
  2. Step 2: Convert to fraction form
    17,271.90/25,899.35 = 5,583.60/x
  3. Step 3: Cross multiply
    17,271.90x = 25,899.35 × 5,583.60
  4. Step 4: Simplify right side
    17,271.90x = 144,611,582.74
  5. Step 5: Solve for x
    x = 144,611,582.74/17,271.90
  6. Step 6: Final answer
    x = 8,372.65

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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.