Home / 13,373.32-18,455.21-7,323.54

Finding the Fourth Proportional to 13,373.32, 18,455.21 and 7,323.54

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Solution

The fourth proportional to 13,373.32, 18,455.21 and 7,323.54 is: 10,106.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.32 : 18,455.21 = 7,323.54 : x
  2. Step 2: Convert to fraction form
    13,373.32/18,455.21 = 7,323.54/x
  3. Step 3: Cross multiply
    13,373.32x = 18,455.21 × 7,323.54
  4. Step 4: Simplify right side
    13,373.32x = 135,157,468.64
  5. Step 5: Solve for x
    x = 135,157,468.64/13,373.32
  6. Step 6: Final answer
    x = 10,106.50

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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.