Home / 43,313.04-64,977.75-13,738.32

Finding the Fourth Proportional to 43,313.04, 64,977.75 and 13,738.32

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Solution

The fourth proportional to 43,313.04, 64,977.75 and 13,738.32 is: 20,610.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,313.04 : 64,977.75 = 13,738.32 : x
  2. Step 2: Convert to fraction form
    43,313.04/64,977.75 = 13,738.32/x
  3. Step 3: Cross multiply
    43,313.04x = 64,977.75 × 13,738.32
  4. Step 4: Simplify right side
    43,313.04x = 892,685,122.38
  5. Step 5: Solve for x
    x = 892,685,122.38/43,313.04
  6. Step 6: Final answer
    x = 20,610.08

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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.