Home / 14,739.40-20,335.38-9,068.32

Finding the Fourth Proportional to 14,739.40, 20,335.38 and 9,068.32

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Solution

The fourth proportional to 14,739.40, 20,335.38 and 9,068.32 is: 12,511.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.40 : 20,335.38 = 9,068.32 : x
  2. Step 2: Convert to fraction form
    14,739.40/20,335.38 = 9,068.32/x
  3. Step 3: Cross multiply
    14,739.40x = 20,335.38 × 9,068.32
  4. Step 4: Simplify right side
    14,739.40x = 184,407,733.16
  5. Step 5: Solve for x
    x = 184,407,733.16/14,739.40
  6. Step 6: Final answer
    x = 12,511.21

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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.