Home / 14,671.45-20,255.63-11,307.52

Finding the Fourth Proportional to 14,671.45, 20,255.63 and 11,307.52

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Solution

The fourth proportional to 14,671.45, 20,255.63 and 11,307.52 is: 15,611.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.45 : 20,255.63 = 11,307.52 : x
  2. Step 2: Convert to fraction form
    14,671.45/20,255.63 = 11,307.52/x
  3. Step 3: Cross multiply
    14,671.45x = 20,255.63 × 11,307.52
  4. Step 4: Simplify right side
    14,671.45x = 229,040,941.34
  5. Step 5: Solve for x
    x = 229,040,941.34/14,671.45
  6. Step 6: Final answer
    x = 15,611.34

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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.