Home / 19,239.51-28,842.16-10,359.69

Finding the Fourth Proportional to 19,239.51, 28,842.16 and 10,359.69

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Solution

The fourth proportional to 19,239.51, 28,842.16 and 10,359.69 is: 15,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.51 : 28,842.16 = 10,359.69 : x
  2. Step 2: Convert to fraction form
    19,239.51/28,842.16 = 10,359.69/x
  3. Step 3: Cross multiply
    19,239.51x = 28,842.16 × 10,359.69
  4. Step 4: Simplify right side
    19,239.51x = 298,795,836.53
  5. Step 5: Solve for x
    x = 298,795,836.53/19,239.51
  6. Step 6: Final answer
    x = 15,530.32

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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.