Home / 13,440.47-20,164.01-4,675.46

Finding the Fourth Proportional to 13,440.47, 20,164.01 and 4,675.46

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Solution

The fourth proportional to 13,440.47, 20,164.01 and 4,675.46 is: 7,014.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440.47 : 20,164.01 = 4,675.46 : x
  2. Step 2: Convert to fraction form
    13,440.47/20,164.01 = 4,675.46/x
  3. Step 3: Cross multiply
    13,440.47x = 20,164.01 × 4,675.46
  4. Step 4: Simplify right side
    13,440.47x = 94,275,898.00
  5. Step 5: Solve for x
    x = 94,275,898.00/13,440.47
  6. Step 6: Final answer
    x = 7,014.33

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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.