Home / 14,825.58-20,458.70-8,860.54

Finding the Fourth Proportional to 14,825.58, 20,458.70 and 8,860.54

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Solution

The fourth proportional to 14,825.58, 20,458.70 and 8,860.54 is: 12,227.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825.58 : 20,458.70 = 8,860.54 : x
  2. Step 2: Convert to fraction form
    14,825.58/20,458.70 = 8,860.54/x
  3. Step 3: Cross multiply
    14,825.58x = 20,458.70 × 8,860.54
  4. Step 4: Simplify right side
    14,825.58x = 181,275,130.76
  5. Step 5: Solve for x
    x = 181,275,130.76/14,825.58
  6. Step 6: Final answer
    x = 12,227.18

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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.