Home / 20,594.63-28,343.97-16,980.68

Finding the Fourth Proportional to 20,594.63, 28,343.97 and 16,980.68

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Solution

The fourth proportional to 20,594.63, 28,343.97 and 16,980.68 is: 23,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.63 : 28,343.97 = 16,980.68 : x
  2. Step 2: Convert to fraction form
    20,594.63/28,343.97 = 16,980.68/x
  3. Step 3: Cross multiply
    20,594.63x = 28,343.97 × 16,980.68
  4. Step 4: Simplify right side
    20,594.63x = 481,299,742.78
  5. Step 5: Solve for x
    x = 481,299,742.78/20,594.63
  6. Step 6: Final answer
    x = 23,370.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.