Home / 15,722.16-23,586.70-5,195.40

Finding the Fourth Proportional to 15,722.16, 23,586.70 and 5,195.40

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Solution

The fourth proportional to 15,722.16, 23,586.70 and 5,195.40 is: 7,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,722.16 : 23,586.70 = 5,195.40 : x
  2. Step 2: Convert to fraction form
    15,722.16/23,586.70 = 5,195.40/x
  3. Step 3: Cross multiply
    15,722.16x = 23,586.70 × 5,195.40
  4. Step 4: Simplify right side
    15,722.16x = 122,542,341.18
  5. Step 5: Solve for x
    x = 122,542,341.18/15,722.16
  6. Step 6: Final answer
    x = 7,794.24

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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.