Home / 15,750.21-23,622.07-6,979.53

Finding the Fourth Proportional to 15,750.21, 23,622.07 and 6,979.53

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Solution

The fourth proportional to 15,750.21, 23,622.07 and 6,979.53 is: 10,467.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.21 : 23,622.07 = 6,979.53 : x
  2. Step 2: Convert to fraction form
    15,750.21/23,622.07 = 6,979.53/x
  3. Step 3: Cross multiply
    15,750.21x = 23,622.07 × 6,979.53
  4. Step 4: Simplify right side
    15,750.21x = 164,870,946.23
  5. Step 5: Solve for x
    x = 164,870,946.23/15,750.21
  6. Step 6: Final answer
    x = 10,467.86

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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.