Home / 23,754.18-32,779.40-13,143.18

Finding the Fourth Proportional to 23,754.18, 32,779.40 and 13,143.18

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Solution

The fourth proportional to 23,754.18, 32,779.40 and 13,143.18 is: 18,136.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,754.18 : 32,779.40 = 13,143.18 : x
  2. Step 2: Convert to fraction form
    23,754.18/32,779.40 = 13,143.18/x
  3. Step 3: Cross multiply
    23,754.18x = 32,779.40 × 13,143.18
  4. Step 4: Simplify right side
    23,754.18x = 430,825,554.49
  5. Step 5: Solve for x
    x = 430,825,554.49/23,754.18
  6. Step 6: Final answer
    x = 18,136.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.