Home / 13,457.72-20,186.67-4,692.63

Finding the Fourth Proportional to 13,457.72, 20,186.67 and 4,692.63

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Solution

The fourth proportional to 13,457.72, 20,186.67 and 4,692.63 is: 7,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.72 : 20,186.67 = 4,692.63 : x
  2. Step 2: Convert to fraction form
    13,457.72/20,186.67 = 4,692.63/x
  3. Step 3: Cross multiply
    13,457.72x = 20,186.67 × 4,692.63
  4. Step 4: Simplify right side
    13,457.72x = 94,728,573.24
  5. Step 5: Solve for x
    x = 94,728,573.24/13,457.72
  6. Step 6: Final answer
    x = 7,038.98

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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.