Home / 13,050.90-18,009.24-7,673.55

Finding the Fourth Proportional to 13,050.90, 18,009.24 and 7,673.55

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Solution

The fourth proportional to 13,050.90, 18,009.24 and 7,673.55 is: 10,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.90 : 18,009.24 = 7,673.55 : x
  2. Step 2: Convert to fraction form
    13,050.90/18,009.24 = 7,673.55/x
  3. Step 3: Cross multiply
    13,050.90x = 18,009.24 × 7,673.55
  4. Step 4: Simplify right side
    13,050.90x = 138,194,840.97
  5. Step 5: Solve for x
    x = 138,194,840.97/13,050.90
  6. Step 6: Final answer
    x = 10,588.91

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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.