Home / 18,957.16-28,439.08-6,474.26

Finding the Fourth Proportional to 18,957.16, 28,439.08 and 6,474.26

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Solution

The fourth proportional to 18,957.16, 28,439.08 and 6,474.26 is: 9,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,957.16 : 28,439.08 = 6,474.26 : x
  2. Step 2: Convert to fraction form
    18,957.16/28,439.08 = 6,474.26/x
  3. Step 3: Cross multiply
    18,957.16x = 28,439.08 × 6,474.26
  4. Step 4: Simplify right side
    18,957.16x = 184,121,969.43
  5. Step 5: Solve for x
    x = 184,121,969.43/18,957.16
  6. Step 6: Final answer
    x = 9,712.53

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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.