Home / 23,755.84-32,779.68-13,145.32

Finding the Fourth Proportional to 23,755.84, 32,779.68 and 13,145.32

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Solution

The fourth proportional to 23,755.84, 32,779.68 and 13,145.32 is: 18,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,755.84 : 32,779.68 = 13,145.32 : x
  2. Step 2: Convert to fraction form
    23,755.84/32,779.68 = 13,145.32/x
  3. Step 3: Cross multiply
    23,755.84x = 32,779.68 × 13,145.32
  4. Step 4: Simplify right side
    23,755.84x = 430,899,383.10
  5. Step 5: Solve for x
    x = 430,899,383.10/23,755.84
  6. Step 6: Final answer
    x = 18,138.67

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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.