Home / 13,330.50-19,996.23-5,009.64

Finding the Fourth Proportional to 13,330.50, 19,996.23 and 5,009.64

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Solution

The fourth proportional to 13,330.50, 19,996.23 and 5,009.64 is: 7,514.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.50 : 19,996.23 = 5,009.64 : x
  2. Step 2: Convert to fraction form
    13,330.50/19,996.23 = 5,009.64/x
  3. Step 3: Cross multiply
    13,330.50x = 19,996.23 × 5,009.64
  4. Step 4: Simplify right side
    13,330.50x = 100,173,913.66
  5. Step 5: Solve for x
    x = 100,173,913.66/13,330.50
  6. Step 6: Final answer
    x = 7,514.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.