Home / 25,359.16-38,051.16-12,222.40

Finding the Fourth Proportional to 25,359.16, 38,051.16 and 12,222.40

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Solution

The fourth proportional to 25,359.16, 38,051.16 and 12,222.40 is: 18,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,359.16 : 38,051.16 = 12,222.40 : x
  2. Step 2: Convert to fraction form
    25,359.16/38,051.16 = 12,222.40/x
  3. Step 3: Cross multiply
    25,359.16x = 38,051.16 × 12,222.40
  4. Step 4: Simplify right side
    25,359.16x = 465,076,497.98
  5. Step 5: Solve for x
    x = 465,076,497.98/25,359.16
  6. Step 6: Final answer
    x = 18,339.59

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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.