Home / 15,188.85-22,783.50-5,328.68

Finding the Fourth Proportional to 15,188.85, 22,783.50 and 5,328.68

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Solution

The fourth proportional to 15,188.85, 22,783.50 and 5,328.68 is: 7,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.85 : 22,783.50 = 5,328.68 : x
  2. Step 2: Convert to fraction form
    15,188.85/22,783.50 = 5,328.68/x
  3. Step 3: Cross multiply
    15,188.85x = 22,783.50 × 5,328.68
  4. Step 4: Simplify right side
    15,188.85x = 121,405,866.86
  5. Step 5: Solve for x
    x = 121,405,866.86/15,188.85
  6. Step 6: Final answer
    x = 7,993.09

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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.