Home / 14,825.63-20,464.59-9,164.72

Finding the Fourth Proportional to 14,825.63, 20,464.59 and 9,164.72

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Solution

The fourth proportional to 14,825.63, 20,464.59 and 9,164.72 is: 12,650.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825.63 : 20,464.59 = 9,164.72 : x
  2. Step 2: Convert to fraction form
    14,825.63/20,464.59 = 9,164.72/x
  3. Step 3: Cross multiply
    14,825.63x = 20,464.59 × 9,164.72
  4. Step 4: Simplify right side
    14,825.63x = 187,552,237.26
  5. Step 5: Solve for x
    x = 187,552,237.26/14,825.63
  6. Step 6: Final answer
    x = 12,650.54

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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.