Home / 13,842.02-20,762.36-6,341.25

Finding the Fourth Proportional to 13,842.02, 20,762.36 and 6,341.25

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Solution

The fourth proportional to 13,842.02, 20,762.36 and 6,341.25 is: 9,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842.02 : 20,762.36 = 6,341.25 : x
  2. Step 2: Convert to fraction form
    13,842.02/20,762.36 = 6,341.25/x
  3. Step 3: Cross multiply
    13,842.02x = 20,762.36 × 6,341.25
  4. Step 4: Simplify right side
    13,842.02x = 131,659,315.35
  5. Step 5: Solve for x
    x = 131,659,315.35/13,842.02
  6. Step 6: Final answer
    x = 9,511.57

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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.