Home / 14,003.90-19,325.13-7,630.54

Finding the Fourth Proportional to 14,003.90, 19,325.13 and 7,630.54

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Solution

The fourth proportional to 14,003.90, 19,325.13 and 7,630.54 is: 10,530.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.90 : 19,325.13 = 7,630.54 : x
  2. Step 2: Convert to fraction form
    14,003.90/19,325.13 = 7,630.54/x
  3. Step 3: Cross multiply
    14,003.90x = 19,325.13 × 7,630.54
  4. Step 4: Simplify right side
    14,003.90x = 147,461,273.63
  5. Step 5: Solve for x
    x = 147,461,273.63/14,003.90
  6. Step 6: Final answer
    x = 10,530.02

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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.