Home / 20,588.63-30,880.21-5,798.71

Finding the Fourth Proportional to 20,588.63, 30,880.21 and 5,798.71

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Solution

The fourth proportional to 20,588.63, 30,880.21 and 5,798.71 is: 8,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588.63 : 30,880.21 = 5,798.71 : x
  2. Step 2: Convert to fraction form
    20,588.63/30,880.21 = 5,798.71/x
  3. Step 3: Cross multiply
    20,588.63x = 30,880.21 × 5,798.71
  4. Step 4: Simplify right side
    20,588.63x = 179,065,213.63
  5. Step 5: Solve for x
    x = 179,065,213.63/20,588.63
  6. Step 6: Final answer
    x = 8,697.29

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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.