Home / 23,837.72-32,779.41-20,688.44

Finding the Fourth Proportional to 23,837.72, 32,779.41 and 20,688.44

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Solution

The fourth proportional to 23,837.72, 32,779.41 and 20,688.44 is: 28,448.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,837.72 : 32,779.41 = 20,688.44 : x
  2. Step 2: Convert to fraction form
    23,837.72/32,779.41 = 20,688.44/x
  3. Step 3: Cross multiply
    23,837.72x = 32,779.41 × 20,688.44
  4. Step 4: Simplify right side
    23,837.72x = 678,154,857.02
  5. Step 5: Solve for x
    x = 678,154,857.02/23,837.72
  6. Step 6: Final answer
    x = 28,448.81

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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.