Home / 22,223.66-30,670.26-13,271.54

Finding the Fourth Proportional to 22,223.66, 30,670.26 and 13,271.54

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Solution

The fourth proportional to 22,223.66, 30,670.26 and 13,271.54 is: 18,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,223.66 : 30,670.26 = 13,271.54 : x
  2. Step 2: Convert to fraction form
    22,223.66/30,670.26 = 13,271.54/x
  3. Step 3: Cross multiply
    22,223.66x = 30,670.26 × 13,271.54
  4. Step 4: Simplify right side
    22,223.66x = 407,041,582.40
  5. Step 5: Solve for x
    x = 407,041,582.40/22,223.66
  6. Step 6: Final answer
    x = 18,315.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.