Home / 14,415.36-19,887.84-9,692.16

Finding the Fourth Proportional to 14,415.36, 19,887.84 and 9,692.16

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Solution

The fourth proportional to 14,415.36, 19,887.84 and 9,692.16 is: 13,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.36 : 19,887.84 = 9,692.16 : x
  2. Step 2: Convert to fraction form
    14,415.36/19,887.84 = 9,692.16/x
  3. Step 3: Cross multiply
    14,415.36x = 19,887.84 × 9,692.16
  4. Step 4: Simplify right side
    14,415.36x = 192,756,127.33
  5. Step 5: Solve for x
    x = 192,756,127.33/14,415.36
  6. Step 6: Final answer
    x = 13,371.58

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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.