Home / 18,475.08-27,656.72-11,905.98

Finding the Fourth Proportional to 18,475.08, 27,656.72 and 11,905.98

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Solution

The fourth proportional to 18,475.08, 27,656.72 and 11,905.98 is: 17,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.08 : 27,656.72 = 11,905.98 : x
  2. Step 2: Convert to fraction form
    18,475.08/27,656.72 = 11,905.98/x
  3. Step 3: Cross multiply
    18,475.08x = 27,656.72 × 11,905.98
  4. Step 4: Simplify right side
    18,475.08x = 329,280,355.19
  5. Step 5: Solve for x
    x = 329,280,355.19/18,475.08
  6. Step 6: Final answer
    x = 17,822.95

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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.