Home / 13,715.37-20,574.76-4,828.60

Finding the Fourth Proportional to 13,715.37, 20,574.76 and 4,828.60

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Solution

The fourth proportional to 13,715.37, 20,574.76 and 4,828.60 is: 7,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.37 : 20,574.76 = 4,828.60 : x
  2. Step 2: Convert to fraction form
    13,715.37/20,574.76 = 4,828.60/x
  3. Step 3: Cross multiply
    13,715.37x = 20,574.76 × 4,828.60
  4. Step 4: Simplify right side
    13,715.37x = 99,347,286.14
  5. Step 5: Solve for x
    x = 99,347,286.14/13,715.37
  6. Step 6: Final answer
    x = 7,243.50

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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.