Home / 27,015.72-40,541.36-9,485.08

Finding the Fourth Proportional to 27,015.72, 40,541.36 and 9,485.08

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Solution

The fourth proportional to 27,015.72, 40,541.36 and 9,485.08 is: 14,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,015.72 : 40,541.36 = 9,485.08 : x
  2. Step 2: Convert to fraction form
    27,015.72/40,541.36 = 9,485.08/x
  3. Step 3: Cross multiply
    27,015.72x = 40,541.36 × 9,485.08
  4. Step 4: Simplify right side
    27,015.72x = 384,538,042.91
  5. Step 5: Solve for x
    x = 384,538,042.91/27,015.72
  6. Step 6: Final answer
    x = 14,233.86

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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.