Home / 20,555.91-30,833.76-4,973.54

Finding the Fourth Proportional to 20,555.91, 30,833.76 and 4,973.54

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Solution

The fourth proportional to 20,555.91, 30,833.76 and 4,973.54 is: 7,460.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,555.91 : 30,833.76 = 4,973.54 : x
  2. Step 2: Convert to fraction form
    20,555.91/30,833.76 = 4,973.54/x
  3. Step 3: Cross multiply
    20,555.91x = 30,833.76 × 4,973.54
  4. Step 4: Simplify right side
    20,555.91x = 153,352,803.19
  5. Step 5: Solve for x
    x = 153,352,803.19/20,555.91
  6. Step 6: Final answer
    x = 7,460.28

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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.