Home / 19,124.94-28,634.19-14,430.78

Finding the Fourth Proportional to 19,124.94, 28,634.19 and 14,430.78

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Solution

The fourth proportional to 19,124.94, 28,634.19 and 14,430.78 is: 21,606.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,124.94 : 28,634.19 = 14,430.78 : x
  2. Step 2: Convert to fraction form
    19,124.94/28,634.19 = 14,430.78/x
  3. Step 3: Cross multiply
    19,124.94x = 28,634.19 × 14,430.78
  4. Step 4: Simplify right side
    19,124.94x = 413,213,696.37
  5. Step 5: Solve for x
    x = 413,213,696.37/19,124.94
  6. Step 6: Final answer
    x = 21,606.01

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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.