Home / 19,289.60-28,933.44-10,541.60

Finding the Fourth Proportional to 19,289.60, 28,933.44 and 10,541.60

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Solution

The fourth proportional to 19,289.60, 28,933.44 and 10,541.60 is: 15,811.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.60 : 28,933.44 = 10,541.60 : x
  2. Step 2: Convert to fraction form
    19,289.60/28,933.44 = 10,541.60/x
  3. Step 3: Cross multiply
    19,289.60x = 28,933.44 × 10,541.60
  4. Step 4: Simplify right side
    19,289.60x = 305,004,751.10
  5. Step 5: Solve for x
    x = 305,004,751.10/19,289.60
  6. Step 6: Final answer
    x = 15,811.88

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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.