Home / 13,493.02-18,620.44-7,525.06

Finding the Fourth Proportional to 13,493.02, 18,620.44 and 7,525.06

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Solution

The fourth proportional to 13,493.02, 18,620.44 and 7,525.06 is: 10,384.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.02 : 18,620.44 = 7,525.06 : x
  2. Step 2: Convert to fraction form
    13,493.02/18,620.44 = 7,525.06/x
  3. Step 3: Cross multiply
    13,493.02x = 18,620.44 × 7,525.06
  4. Step 4: Simplify right side
    13,493.02x = 140,119,928.23
  5. Step 5: Solve for x
    x = 140,119,928.23/13,493.02
  6. Step 6: Final answer
    x = 10,384.62

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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.