Home / 34,013.88-51,021.33-12,955.08

Finding the Fourth Proportional to 34,013.88, 51,021.33 and 12,955.08

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Solution

The fourth proportional to 34,013.88, 51,021.33 and 12,955.08 is: 19,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,013.88 : 51,021.33 = 12,955.08 : x
  2. Step 2: Convert to fraction form
    34,013.88/51,021.33 = 12,955.08/x
  3. Step 3: Cross multiply
    34,013.88x = 51,021.33 × 12,955.08
  4. Step 4: Simplify right side
    34,013.88x = 660,985,411.86
  5. Step 5: Solve for x
    x = 660,985,411.86/34,013.88
  6. Step 6: Final answer
    x = 19,432.81

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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.