Home / 21,692.04-29,935.06-11,756.04

Finding the Fourth Proportional to 21,692.04, 29,935.06 and 11,756.04

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Solution

The fourth proportional to 21,692.04, 29,935.06 and 11,756.04 is: 16,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692.04 : 29,935.06 = 11,756.04 : x
  2. Step 2: Convert to fraction form
    21,692.04/29,935.06 = 11,756.04/x
  3. Step 3: Cross multiply
    21,692.04x = 29,935.06 × 11,756.04
  4. Step 4: Simplify right side
    21,692.04x = 351,917,762.76
  5. Step 5: Solve for x
    x = 351,917,762.76/21,692.04
  6. Step 6: Final answer
    x = 16,223.36

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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.