Home / 27,518.72-37,975.10-15,583.19

Finding the Fourth Proportional to 27,518.72, 37,975.10 and 15,583.19

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Solution

The fourth proportional to 27,518.72, 37,975.10 and 15,583.19 is: 21,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,518.72 : 37,975.10 = 15,583.19 : x
  2. Step 2: Convert to fraction form
    27,518.72/37,975.10 = 15,583.19/x
  3. Step 3: Cross multiply
    27,518.72x = 37,975.10 × 15,583.19
  4. Step 4: Simplify right side
    27,518.72x = 591,772,930.78
  5. Step 5: Solve for x
    x = 591,772,930.78/27,518.72
  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.