Home / 15,783.36-23,680.56-7,017.44

Finding the Fourth Proportional to 15,783.36, 23,680.56 and 7,017.44

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Solution

The fourth proportional to 15,783.36, 23,680.56 and 7,017.44 is: 10,528.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.36 : 23,680.56 = 7,017.44 : x
  2. Step 2: Convert to fraction form
    15,783.36/23,680.56 = 7,017.44/x
  3. Step 3: Cross multiply
    15,783.36x = 23,680.56 × 7,017.44
  4. Step 4: Simplify right side
    15,783.36x = 166,176,908.97
  5. Step 5: Solve for x
    x = 166,176,908.97/15,783.36
  6. Step 6: Final answer
    x = 10,528.61

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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.