Home / 13,460.06-20,190.45-3,599.32

Finding the Fourth Proportional to 13,460.06, 20,190.45 and 3,599.32

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Solution

The fourth proportional to 13,460.06, 20,190.45 and 3,599.32 is: 5,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.06 : 20,190.45 = 3,599.32 : x
  2. Step 2: Convert to fraction form
    13,460.06/20,190.45 = 3,599.32/x
  3. Step 3: Cross multiply
    13,460.06x = 20,190.45 × 3,599.32
  4. Step 4: Simplify right side
    13,460.06x = 72,671,890.49
  5. Step 5: Solve for x
    x = 72,671,890.49/13,460.06
  6. Step 6: Final answer
    x = 5,399.08

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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.