Home / 43,697.20-65,547.25-12,107.58

Finding the Fourth Proportional to 43,697.20, 65,547.25 and 12,107.58

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Solution

The fourth proportional to 43,697.20, 65,547.25 and 12,107.58 is: 18,161.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,697.20 : 65,547.25 = 12,107.58 : x
  2. Step 2: Convert to fraction form
    43,697.20/65,547.25 = 12,107.58/x
  3. Step 3: Cross multiply
    43,697.20x = 65,547.25 × 12,107.58
  4. Step 4: Simplify right side
    43,697.20x = 793,618,573.16
  5. Step 5: Solve for x
    x = 793,618,573.16/43,697.20
  6. Step 6: Final answer
    x = 18,161.77

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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.