Home / 13,601.04-20,385.16-7,023.64

Finding the Fourth Proportional to 13,601.04, 20,385.16 and 7,023.64

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Solution

The fourth proportional to 13,601.04, 20,385.16 and 7,023.64 is: 10,526.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.04 : 20,385.16 = 7,023.64 : x
  2. Step 2: Convert to fraction form
    13,601.04/20,385.16 = 7,023.64/x
  3. Step 3: Cross multiply
    13,601.04x = 20,385.16 × 7,023.64
  4. Step 4: Simplify right side
    13,601.04x = 143,177,990.06
  5. Step 5: Solve for x
    x = 143,177,990.06/13,601.04
  6. Step 6: Final answer
    x = 10,526.99

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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.