Home / 19,200.52-26,493.49-10,700.78

Finding the Fourth Proportional to 19,200.52, 26,493.49 and 10,700.78

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Solution

The fourth proportional to 19,200.52, 26,493.49 and 10,700.78 is: 14,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.52 : 26,493.49 = 10,700.78 : x
  2. Step 2: Convert to fraction form
    19,200.52/26,493.49 = 10,700.78/x
  3. Step 3: Cross multiply
    19,200.52x = 26,493.49 × 10,700.78
  4. Step 4: Simplify right side
    19,200.52x = 283,501,007.92
  5. Step 5: Solve for x
    x = 283,501,007.92/19,200.52
  6. Step 6: Final answer
    x = 14,765.28

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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.