Home / 27,007.12-37,315.50-19,438.48

Finding the Fourth Proportional to 27,007.12, 37,315.50 and 19,438.48

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Solution

The fourth proportional to 27,007.12, 37,315.50 and 19,438.48 is: 26,857.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,007.12 : 37,315.50 = 19,438.48 : x
  2. Step 2: Convert to fraction form
    27,007.12/37,315.50 = 19,438.48/x
  3. Step 3: Cross multiply
    27,007.12x = 37,315.50 × 19,438.48
  4. Step 4: Simplify right side
    27,007.12x = 725,356,600.44
  5. Step 5: Solve for x
    x = 725,356,600.44/27,007.12
  6. Step 6: Final answer
    x = 26,857.98

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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.