Home / 27,078.53-37,343.90-19,156.12

Finding the Fourth Proportional to 27,078.53, 37,343.90 and 19,156.12

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Solution

The fourth proportional to 27,078.53, 37,343.90 and 19,156.12 is: 26,418.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.53 : 37,343.90 = 19,156.12 : x
  2. Step 2: Convert to fraction form
    27,078.53/37,343.90 = 19,156.12/x
  3. Step 3: Cross multiply
    27,078.53x = 37,343.90 × 19,156.12
  4. Step 4: Simplify right side
    27,078.53x = 715,364,184.20
  5. Step 5: Solve for x
    x = 715,364,184.20/27,078.53
  6. Step 6: Final answer
    x = 26,418.14

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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.