Home / 13,420.08-20,112.30-6,023.16

Finding the Fourth Proportional to 13,420.08, 20,112.30 and 6,023.16

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Solution

The fourth proportional to 13,420.08, 20,112.30 and 6,023.16 is: 9,026.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,420.08 : 20,112.30 = 6,023.16 : x
  2. Step 2: Convert to fraction form
    13,420.08/20,112.30 = 6,023.16/x
  3. Step 3: Cross multiply
    13,420.08x = 20,112.30 × 6,023.16
  4. Step 4: Simplify right side
    13,420.08x = 121,139,600.87
  5. Step 5: Solve for x
    x = 121,139,600.87/13,420.08
  6. Step 6: Final answer
    x = 9,026.74

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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.