Home / 13,045.96-17,996.53-9,270.65

Finding the Fourth Proportional to 13,045.96, 17,996.53 and 9,270.65

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Solution

The fourth proportional to 13,045.96, 17,996.53 and 9,270.65 is: 12,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.96 : 17,996.53 = 9,270.65 : x
  2. Step 2: Convert to fraction form
    13,045.96/17,996.53 = 9,270.65/x
  3. Step 3: Cross multiply
    13,045.96x = 17,996.53 × 9,270.65
  4. Step 4: Simplify right side
    13,045.96x = 166,839,552.66
  5. Step 5: Solve for x
    x = 166,839,552.66/13,045.96
  6. Step 6: Final answer
    x = 12,788.60

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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.