Home / 14,927.54-20,599.57-8,121.35

Finding the Fourth Proportional to 14,927.54, 20,599.57 and 8,121.35

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Solution

The fourth proportional to 14,927.54, 20,599.57 and 8,121.35 is: 11,207.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,927.54 : 20,599.57 = 8,121.35 : x
  2. Step 2: Convert to fraction form
    14,927.54/20,599.57 = 8,121.35/x
  3. Step 3: Cross multiply
    14,927.54x = 20,599.57 × 8,121.35
  4. Step 4: Simplify right side
    14,927.54x = 167,296,317.82
  5. Step 5: Solve for x
    x = 167,296,317.82/14,927.54
  6. Step 6: Final answer
    x = 11,207.23

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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.