Home / 15,779.84-23,647.20-11,586.95

Finding the Fourth Proportional to 15,779.84, 23,647.20 and 11,586.95

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Solution

The fourth proportional to 15,779.84, 23,647.20 and 11,586.95 is: 17,363.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779.84 : 23,647.20 = 11,586.95 : x
  2. Step 2: Convert to fraction form
    15,779.84/23,647.20 = 11,586.95/x
  3. Step 3: Cross multiply
    15,779.84x = 23,647.20 × 11,586.95
  4. Step 4: Simplify right side
    15,779.84x = 273,998,937.93
  5. Step 5: Solve for x
    x = 273,998,937.93/15,779.84
  6. Step 6: Final answer
    x = 17,363.86

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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.