Home / 25,390.10-38,060.04-12,039.61

Finding the Fourth Proportional to 25,390.10, 38,060.04 and 12,039.61

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Solution

The fourth proportional to 25,390.10, 38,060.04 and 12,039.61 is: 18,047.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,390.10 : 38,060.04 = 12,039.61 : x
  2. Step 2: Convert to fraction form
    25,390.10/38,060.04 = 12,039.61/x
  3. Step 3: Cross multiply
    25,390.10x = 38,060.04 × 12,039.61
  4. Step 4: Simplify right side
    25,390.10x = 458,228,038.18
  5. Step 5: Solve for x
    x = 458,228,038.18/25,390.10
  6. Step 6: Final answer
    x = 18,047.51

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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.