Home / 13,457.49-20,186.21-4,573.74

Finding the Fourth Proportional to 13,457.49, 20,186.21 and 4,573.74

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Solution

The fourth proportional to 13,457.49, 20,186.21 and 4,573.74 is: 6,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.49 : 20,186.21 = 4,573.74 : x
  2. Step 2: Convert to fraction form
    13,457.49/20,186.21 = 4,573.74/x
  3. Step 3: Cross multiply
    13,457.49x = 20,186.21 × 4,573.74
  4. Step 4: Simplify right side
    13,457.49x = 92,326,453.26
  5. Step 5: Solve for x
    x = 92,326,453.26/13,457.49
  6. Step 6: Final answer
    x = 6,860.60

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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.