Home / 18,628.40-25,707.44-10,670.62

Finding the Fourth Proportional to 18,628.40, 25,707.44 and 10,670.62

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Solution

The fourth proportional to 18,628.40, 25,707.44 and 10,670.62 is: 14,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.40 : 25,707.44 = 10,670.62 : x
  2. Step 2: Convert to fraction form
    18,628.40/25,707.44 = 10,670.62/x
  3. Step 3: Cross multiply
    18,628.40x = 25,707.44 × 10,670.62
  4. Step 4: Simplify right side
    18,628.40x = 274,314,323.41
  5. Step 5: Solve for x
    x = 274,314,323.41/18,628.40
  6. Step 6: Final answer
    x = 14,725.60

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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.