Home / 15,749.84-23,611.35-6,979.97

Finding the Fourth Proportional to 15,749.84, 23,611.35 and 6,979.97

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Solution

The fourth proportional to 15,749.84, 23,611.35 and 6,979.97 is: 10,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749.84 : 23,611.35 = 6,979.97 : x
  2. Step 2: Convert to fraction form
    15,749.84/23,611.35 = 6,979.97/x
  3. Step 3: Cross multiply
    15,749.84x = 23,611.35 × 6,979.97
  4. Step 4: Simplify right side
    15,749.84x = 164,806,514.66
  5. Step 5: Solve for x
    x = 164,806,514.66/15,749.84
  6. Step 6: Final answer
    x = 10,464.01

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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.