Home / 12,472.37-18,598.28-12,361.20

Finding the Fourth Proportional to 12,472.37, 18,598.28 and 12,361.20

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Solution

The fourth proportional to 12,472.37, 18,598.28 and 12,361.20 is: 18,432.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.37 : 18,598.28 = 12,361.20 : x
  2. Step 2: Convert to fraction form
    12,472.37/18,598.28 = 12,361.20/x
  3. Step 3: Cross multiply
    12,472.37x = 18,598.28 × 12,361.20
  4. Step 4: Simplify right side
    12,472.37x = 229,896,996.65
  5. Step 5: Solve for x
    x = 229,896,996.65/12,472.37
  6. Step 6: Final answer
    x = 18,432.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.