Home / 27,571.76-38,018.64-19,059.12

Finding the Fourth Proportional to 27,571.76, 38,018.64 and 19,059.12

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Solution

The fourth proportional to 27,571.76, 38,018.64 and 19,059.12 is: 26,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,571.76 : 38,018.64 = 19,059.12 : x
  2. Step 2: Convert to fraction form
    27,571.76/38,018.64 = 19,059.12/x
  3. Step 3: Cross multiply
    27,571.76x = 38,018.64 × 19,059.12
  4. Step 4: Simplify right side
    27,571.76x = 724,601,822.00
  5. Step 5: Solve for x
    x = 724,601,822.00/27,571.76
  6. Step 6: Final answer
    x = 26,280.58

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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.