Home / 26,482.64-39,704.70-12,435.43

Finding the Fourth Proportional to 26,482.64, 39,704.70 and 12,435.43

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Solution

The fourth proportional to 26,482.64, 39,704.70 and 12,435.43 is: 18,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,482.64 : 39,704.70 = 12,435.43 : x
  2. Step 2: Convert to fraction form
    26,482.64/39,704.70 = 12,435.43/x
  3. Step 3: Cross multiply
    26,482.64x = 39,704.70 × 12,435.43
  4. Step 4: Simplify right side
    26,482.64x = 493,744,964.89
  5. Step 5: Solve for x
    x = 493,744,964.89/26,482.64
  6. Step 6: Final answer
    x = 18,644.10

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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.