Home / 18,762.06-25,907.54-12,062.55

Finding the Fourth Proportional to 18,762.06, 25,907.54 and 12,062.55

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Solution

The fourth proportional to 18,762.06, 25,907.54 and 12,062.55 is: 16,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,762.06 : 25,907.54 = 12,062.55 : x
  2. Step 2: Convert to fraction form
    18,762.06/25,907.54 = 12,062.55/x
  3. Step 3: Cross multiply
    18,762.06x = 25,907.54 × 12,062.55
  4. Step 4: Simplify right side
    18,762.06x = 312,510,936.31
  5. Step 5: Solve for x
    x = 312,510,936.31/18,762.06
  6. Step 6: Final answer
    x = 16,656.54

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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.