Home / 13,270.16-19,906.40-6,692.16

Finding the Fourth Proportional to 13,270.16, 19,906.40 and 6,692.16

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Solution

The fourth proportional to 13,270.16, 19,906.40 and 6,692.16 is: 10,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.16 : 19,906.40 = 6,692.16 : x
  2. Step 2: Convert to fraction form
    13,270.16/19,906.40 = 6,692.16/x
  3. Step 3: Cross multiply
    13,270.16x = 19,906.40 × 6,692.16
  4. Step 4: Simplify right side
    13,270.16x = 133,216,813.82
  5. Step 5: Solve for x
    x = 133,216,813.82/13,270.16
  6. Step 6: Final answer
    x = 10,038.82

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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.