Home / 15,823.98-23,779.08-8,433.72

Finding the Fourth Proportional to 15,823.98, 23,779.08 and 8,433.72

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Solution

The fourth proportional to 15,823.98, 23,779.08 and 8,433.72 is: 12,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,823.98 : 23,779.08 = 8,433.72 : x
  2. Step 2: Convert to fraction form
    15,823.98/23,779.08 = 8,433.72/x
  3. Step 3: Cross multiply
    15,823.98x = 23,779.08 × 8,433.72
  4. Step 4: Simplify right side
    15,823.98x = 200,546,102.58
  5. Step 5: Solve for x
    x = 200,546,102.58/15,823.98
  6. Step 6: Final answer
    x = 12,673.56

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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.