Home / 27,125.47-40,694.42-10,485.64

Finding the Fourth Proportional to 27,125.47, 40,694.42 and 10,485.64

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Solution

The fourth proportional to 27,125.47, 40,694.42 and 10,485.64 is: 15,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,125.47 : 40,694.42 = 10,485.64 : x
  2. Step 2: Convert to fraction form
    27,125.47/40,694.42 = 10,485.64/x
  3. Step 3: Cross multiply
    27,125.47x = 40,694.42 × 10,485.64
  4. Step 4: Simplify right side
    27,125.47x = 426,707,038.13
  5. Step 5: Solve for x
    x = 426,707,038.13/27,125.47
  6. Step 6: Final answer
    x = 15,730.86

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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.