Home / 14,307.52-19,746.72-8,021.44

Finding the Fourth Proportional to 14,307.52, 19,746.72 and 8,021.44

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Solution

The fourth proportional to 14,307.52, 19,746.72 and 8,021.44 is: 11,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.52 : 19,746.72 = 8,021.44 : x
  2. Step 2: Convert to fraction form
    14,307.52/19,746.72 = 8,021.44/x
  3. Step 3: Cross multiply
    14,307.52x = 19,746.72 × 8,021.44
  4. Step 4: Simplify right side
    14,307.52x = 158,397,129.68
  5. Step 5: Solve for x
    x = 158,397,129.68/14,307.52
  6. Step 6: Final answer
    x = 11,070.90

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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.