Home / 15,788.02-23,676.90-5,255.80

Finding the Fourth Proportional to 15,788.02, 23,676.90 and 5,255.80

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Solution

The fourth proportional to 15,788.02, 23,676.90 and 5,255.80 is: 7,881.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.02 : 23,676.90 = 5,255.80 : x
  2. Step 2: Convert to fraction form
    15,788.02/23,676.90 = 5,255.80/x
  3. Step 3: Cross multiply
    15,788.02x = 23,676.90 × 5,255.80
  4. Step 4: Simplify right side
    15,788.02x = 124,441,051.02
  5. Step 5: Solve for x
    x = 124,441,051.02/15,788.02
  6. Step 6: Final answer
    x = 7,881.99

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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.