Home / 20,815.80-31,225.32-6,024.93

Finding the Fourth Proportional to 20,815.80, 31,225.32 and 6,024.93

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Solution

The fourth proportional to 20,815.80, 31,225.32 and 6,024.93 is: 9,037.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,815.80 : 31,225.32 = 6,024.93 : x
  2. Step 2: Convert to fraction form
    20,815.80/31,225.32 = 6,024.93/x
  3. Step 3: Cross multiply
    20,815.80x = 31,225.32 × 6,024.93
  4. Step 4: Simplify right side
    20,815.80x = 188,130,367.23
  5. Step 5: Solve for x
    x = 188,130,367.23/20,815.80
  6. Step 6: Final answer
    x = 9,037.86

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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.