Home / 15,984.96-23,979.23-13,048.40

Finding the Fourth Proportional to 15,984.96, 23,979.23 and 13,048.40

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Solution

The fourth proportional to 15,984.96, 23,979.23 and 13,048.40 is: 19,574.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,984.96 : 23,979.23 = 13,048.40 : x
  2. Step 2: Convert to fraction form
    15,984.96/23,979.23 = 13,048.40/x
  3. Step 3: Cross multiply
    15,984.96x = 23,979.23 × 13,048.40
  4. Step 4: Simplify right side
    15,984.96x = 312,890,634.33
  5. Step 5: Solve for x
    x = 312,890,634.33/15,984.96
  6. Step 6: Final answer
    x = 19,574.07

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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.