Home / 14,839.47-20,477.61-8,125.25

Finding the Fourth Proportional to 14,839.47, 20,477.61 and 8,125.25

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Solution

The fourth proportional to 14,839.47, 20,477.61 and 8,125.25 is: 11,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,839.47 : 20,477.61 = 8,125.25 : x
  2. Step 2: Convert to fraction form
    14,839.47/20,477.61 = 8,125.25/x
  3. Step 3: Cross multiply
    14,839.47x = 20,477.61 × 8,125.25
  4. Step 4: Simplify right side
    14,839.47x = 166,385,598.26
  5. Step 5: Solve for x
    x = 166,385,598.26/14,839.47
  6. Step 6: Final answer
    x = 11,212.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.