Home / 23,753.16-32,779.32-13,142.79

Finding the Fourth Proportional to 23,753.16, 32,779.32 and 13,142.79

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Solution

The fourth proportional to 23,753.16, 32,779.32 and 13,142.79 is: 18,137.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,753.16 : 32,779.32 = 13,142.79 : x
  2. Step 2: Convert to fraction form
    23,753.16/32,779.32 = 13,142.79/x
  3. Step 3: Cross multiply
    23,753.16x = 32,779.32 × 13,142.79
  4. Step 4: Simplify right side
    23,753.16x = 430,811,719.10
  5. Step 5: Solve for x
    x = 430,811,719.10/23,753.16
  6. Step 6: Final answer
    x = 18,137.03

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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.