Home / 14,423.06-19,904.13-8,135.44

Finding the Fourth Proportional to 14,423.06, 19,904.13 and 8,135.44

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Solution

The fourth proportional to 14,423.06, 19,904.13 and 8,135.44 is: 11,227.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.06 : 19,904.13 = 8,135.44 : x
  2. Step 2: Convert to fraction form
    14,423.06/19,904.13 = 8,135.44/x
  3. Step 3: Cross multiply
    14,423.06x = 19,904.13 × 8,135.44
  4. Step 4: Simplify right side
    14,423.06x = 161,928,805.61
  5. Step 5: Solve for x
    x = 161,928,805.61/14,423.06
  6. Step 6: Final answer
    x = 11,227.08

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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.