Home / 19,225.63-28,824.60-11,814.78

Finding the Fourth Proportional to 19,225.63, 28,824.60 and 11,814.78

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Solution

The fourth proportional to 19,225.63, 28,824.60 and 11,814.78 is: 17,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,225.63 : 28,824.60 = 11,814.78 : x
  2. Step 2: Convert to fraction form
    19,225.63/28,824.60 = 11,814.78/x
  3. Step 3: Cross multiply
    19,225.63x = 28,824.60 × 11,814.78
  4. Step 4: Simplify right side
    19,225.63x = 340,556,307.59
  5. Step 5: Solve for x
    x = 340,556,307.59/19,225.63
  6. Step 6: Final answer
    x = 17,713.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.