Home / 27,518.73-37,975.08-15,583.20

Finding the Fourth Proportional to 27,518.73, 37,975.08 and 15,583.20

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Solution

The fourth proportional to 27,518.73, 37,975.08 and 15,583.20 is: 21,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518.73 : 37,975.08 = 15,583.20 : x
  2. Step 2: Convert to fraction form
    27,518.73/37,975.08 = 15,583.20/x
  3. Step 3: Cross multiply
    27,518.73x = 37,975.08 × 15,583.20
  4. Step 4: Simplify right side
    27,518.73x = 591,773,266.66
  5. Step 5: Solve for x
    x = 591,773,266.66/27,518.73
  6. Step 6: Final answer
    x = 21,504.38

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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.