Home / 13,457.71-20,186.66-4,692.60

Finding the Fourth Proportional to 13,457.71, 20,186.66 and 4,692.60

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Solution

The fourth proportional to 13,457.71, 20,186.66 and 4,692.60 is: 7,038.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.71 : 20,186.66 = 4,692.60 : x
  2. Step 2: Convert to fraction form
    13,457.71/20,186.66 = 4,692.60/x
  3. Step 3: Cross multiply
    13,457.71x = 20,186.66 × 4,692.60
  4. Step 4: Simplify right side
    13,457.71x = 94,727,920.72
  5. Step 5: Solve for x
    x = 94,727,920.72/13,457.71
  6. Step 6: Final answer
    x = 7,038.93

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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.