Home / 25,148.08-37,723.20-8,509.60

Finding the Fourth Proportional to 25,148.08, 37,723.20 and 8,509.60

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Solution

The fourth proportional to 25,148.08, 37,723.20 and 8,509.60 is: 12,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.08 : 37,723.20 = 8,509.60 : x
  2. Step 2: Convert to fraction form
    25,148.08/37,723.20 = 8,509.60/x
  3. Step 3: Cross multiply
    25,148.08x = 37,723.20 × 8,509.60
  4. Step 4: Simplify right side
    25,148.08x = 321,009,342.72
  5. Step 5: Solve for x
    x = 321,009,342.72/25,148.08
  6. Step 6: Final answer
    x = 12,764.77

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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.