Home / 27,138.23-37,453.53-15,653.58

Finding the Fourth Proportional to 27,138.23, 37,453.53 and 15,653.58

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Solution

The fourth proportional to 27,138.23, 37,453.53 and 15,653.58 is: 21,603.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,138.23 : 37,453.53 = 15,653.58 : x
  2. Step 2: Convert to fraction form
    27,138.23/37,453.53 = 15,653.58/x
  3. Step 3: Cross multiply
    27,138.23x = 37,453.53 × 15,653.58
  4. Step 4: Simplify right side
    27,138.23x = 586,281,828.14
  5. Step 5: Solve for x
    x = 586,281,828.14/27,138.23
  6. Step 6: Final answer
    x = 21,603.54

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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.