Home / 13,692.04-20,533.95-7,114.64

Finding the Fourth Proportional to 13,692.04, 20,533.95 and 7,114.64

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Solution

The fourth proportional to 13,692.04, 20,533.95 and 7,114.64 is: 10,669.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.04 : 20,533.95 = 7,114.64 : x
  2. Step 2: Convert to fraction form
    13,692.04/20,533.95 = 7,114.64/x
  3. Step 3: Cross multiply
    13,692.04x = 20,533.95 × 7,114.64
  4. Step 4: Simplify right side
    13,692.04x = 146,091,559.36
  5. Step 5: Solve for x
    x = 146,091,559.36/13,692.04
  6. Step 6: Final answer
    x = 10,669.82

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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.