Home / 13,934.50-20,903.57-7,360.94

Finding the Fourth Proportional to 13,934.50, 20,903.57 and 7,360.94

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Solution

The fourth proportional to 13,934.50, 20,903.57 and 7,360.94 is: 11,042.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.50 : 20,903.57 = 7,360.94 : x
  2. Step 2: Convert to fraction form
    13,934.50/20,903.57 = 7,360.94/x
  3. Step 3: Cross multiply
    13,934.50x = 20,903.57 × 7,360.94
  4. Step 4: Simplify right side
    13,934.50x = 153,869,967.61
  5. Step 5: Solve for x
    x = 153,869,967.61/13,934.50
  6. Step 6: Final answer
    x = 11,042.38

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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.