Home / 13,265.25-18,303.62-9,736.89

Finding the Fourth Proportional to 13,265.25, 18,303.62 and 9,736.89

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Solution

The fourth proportional to 13,265.25, 18,303.62 and 9,736.89 is: 13,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.25 : 18,303.62 = 9,736.89 : x
  2. Step 2: Convert to fraction form
    13,265.25/18,303.62 = 9,736.89/x
  3. Step 3: Cross multiply
    13,265.25x = 18,303.62 × 9,736.89
  4. Step 4: Simplify right side
    13,265.25x = 178,220,285.86
  5. Step 5: Solve for x
    x = 178,220,285.86/13,265.25
  6. Step 6: Final answer
    x = 13,435.12

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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.