Home / 13,457.49-20,186.06-4,692.38

Finding the Fourth Proportional to 13,457.49, 20,186.06 and 4,692.38

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Solution

The fourth proportional to 13,457.49, 20,186.06 and 4,692.38 is: 7,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.49 : 20,186.06 = 4,692.38 : x
  2. Step 2: Convert to fraction form
    13,457.49/20,186.06 = 4,692.38/x
  3. Step 3: Cross multiply
    13,457.49x = 20,186.06 × 4,692.38
  4. Step 4: Simplify right side
    13,457.49x = 94,720,539.83
  5. Step 5: Solve for x
    x = 94,720,539.83/13,457.49
  6. Step 6: Final answer
    x = 7,038.50

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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.