Home / 14,423.39-19,904.83-8,135.63

Finding the Fourth Proportional to 14,423.39, 19,904.83 and 8,135.63

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Solution

The fourth proportional to 14,423.39, 19,904.83 and 8,135.63 is: 11,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.39 : 19,904.83 = 8,135.63 : x
  2. Step 2: Convert to fraction form
    14,423.39/19,904.83 = 8,135.63/x
  3. Step 3: Cross multiply
    14,423.39x = 19,904.83 × 8,135.63
  4. Step 4: Simplify right side
    14,423.39x = 161,938,212.23
  5. Step 5: Solve for x
    x = 161,938,212.23/14,423.39
  6. Step 6: Final answer
    x = 11,227.48

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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.