Home / 14,139.36-19,522.08-8,836.56

Finding the Fourth Proportional to 14,139.36, 19,522.08 and 8,836.56

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Solution

The fourth proportional to 14,139.36, 19,522.08 and 8,836.56 is: 12,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.36 : 19,522.08 = 8,836.56 : x
  2. Step 2: Convert to fraction form
    14,139.36/19,522.08 = 8,836.56/x
  3. Step 3: Cross multiply
    14,139.36x = 19,522.08 × 8,836.56
  4. Step 4: Simplify right side
    14,139.36x = 172,508,031.24
  5. Step 5: Solve for x
    x = 172,508,031.24/14,139.36
  6. Step 6: Final answer
    x = 12,200.55

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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.