Home / 27,113.64-40,665.84-7,387.58

Finding the Fourth Proportional to 27,113.64, 40,665.84 and 7,387.58

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Solution

The fourth proportional to 27,113.64, 40,665.84 and 7,387.58 is: 11,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,113.64 : 40,665.84 = 7,387.58 : x
  2. Step 2: Convert to fraction form
    27,113.64/40,665.84 = 7,387.58/x
  3. Step 3: Cross multiply
    27,113.64x = 40,665.84 × 7,387.58
  4. Step 4: Simplify right side
    27,113.64x = 300,421,942.94
  5. Step 5: Solve for x
    x = 300,421,942.94/27,113.64
  6. Step 6: Final answer
    x = 11,080.10

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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.