Home / 13,231.16-19,841.73-5,330.99

Finding the Fourth Proportional to 13,231.16, 19,841.73 and 5,330.99

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Solution

The fourth proportional to 13,231.16, 19,841.73 and 5,330.99 is: 7,994.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.16 : 19,841.73 = 5,330.99 : x
  2. Step 2: Convert to fraction form
    13,231.16/19,841.73 = 5,330.99/x
  3. Step 3: Cross multiply
    13,231.16x = 19,841.73 × 5,330.99
  4. Step 4: Simplify right side
    13,231.16x = 105,776,064.21
  5. Step 5: Solve for x
    x = 105,776,064.21/13,231.16
  6. Step 6: Final answer
    x = 7,994.47

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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.