Home / 13,001.96-19,486.62-7,459.88

Finding the Fourth Proportional to 13,001.96, 19,486.62 and 7,459.88

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Solution

The fourth proportional to 13,001.96, 19,486.62 and 7,459.88 is: 11,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.96 : 19,486.62 = 7,459.88 : x
  2. Step 2: Convert to fraction form
    13,001.96/19,486.62 = 7,459.88/x
  3. Step 3: Cross multiply
    13,001.96x = 19,486.62 × 7,459.88
  4. Step 4: Simplify right side
    13,001.96x = 145,367,846.81
  5. Step 5: Solve for x
    x = 145,367,846.81/13,001.96
  6. Step 6: Final answer
    x = 11,180.46

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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.