Home / 20,555.70-30,833.54-4,973.33

Finding the Fourth Proportional to 20,555.70, 30,833.54 and 4,973.33

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Solution

The fourth proportional to 20,555.70, 30,833.54 and 4,973.33 is: 7,459.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,555.70 : 30,833.54 = 4,973.33 : x
  2. Step 2: Convert to fraction form
    20,555.70/30,833.54 = 4,973.33/x
  3. Step 3: Cross multiply
    20,555.70x = 30,833.54 × 4,973.33
  4. Step 4: Simplify right side
    20,555.70x = 153,345,227.75
  5. Step 5: Solve for x
    x = 153,345,227.75/20,555.70
  6. Step 6: Final answer
    x = 7,459.99

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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.