Home / 18,050.40-24,928.56-13,816.80

Finding the Fourth Proportional to 18,050.40, 24,928.56 and 13,816.80

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Solution

The fourth proportional to 18,050.40, 24,928.56 and 13,816.80 is: 19,081.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,050.40 : 24,928.56 = 13,816.80 : x
  2. Step 2: Convert to fraction form
    18,050.40/24,928.56 = 13,816.80/x
  3. Step 3: Cross multiply
    18,050.40x = 24,928.56 × 13,816.80
  4. Step 4: Simplify right side
    18,050.40x = 344,432,927.81
  5. Step 5: Solve for x
    x = 344,432,927.81/18,050.40
  6. Step 6: Final answer
    x = 19,081.73

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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.