Home / 13,800.56-19,044.20-7,512.94

Finding the Fourth Proportional to 13,800.56, 19,044.20 and 7,512.94

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Solution

The fourth proportional to 13,800.56, 19,044.20 and 7,512.94 is: 10,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.56 : 19,044.20 = 7,512.94 : x
  2. Step 2: Convert to fraction form
    13,800.56/19,044.20 = 7,512.94/x
  3. Step 3: Cross multiply
    13,800.56x = 19,044.20 × 7,512.94
  4. Step 4: Simplify right side
    13,800.56x = 143,077,931.95
  5. Step 5: Solve for x
    x = 143,077,931.95/13,800.56
  6. Step 6: Final answer
    x = 10,367.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.