Home / 19,846.08-27,390.10-11,460.96

Finding the Fourth Proportional to 19,846.08, 27,390.10 and 11,460.96

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Solution

The fourth proportional to 19,846.08, 27,390.10 and 11,460.96 is: 15,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,846.08 : 27,390.10 = 11,460.96 : x
  2. Step 2: Convert to fraction form
    19,846.08/27,390.10 = 11,460.96/x
  3. Step 3: Cross multiply
    19,846.08x = 27,390.10 × 11,460.96
  4. Step 4: Simplify right side
    19,846.08x = 313,916,840.50
  5. Step 5: Solve for x
    x = 313,916,840.50/19,846.08
  6. Step 6: Final answer
    x = 15,817.57

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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.