Home / 53,006.52-79,509.62-13,563.56

Finding the Fourth Proportional to 53,006.52, 79,509.62 and 13,563.56

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Solution

The fourth proportional to 53,006.52, 79,509.62 and 13,563.56 is: 20,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,006.52 : 79,509.62 = 13,563.56 : x
  2. Step 2: Convert to fraction form
    53,006.52/79,509.62 = 13,563.56/x
  3. Step 3: Cross multiply
    53,006.52x = 79,509.62 × 13,563.56
  4. Step 4: Simplify right side
    53,006.52x = 1,078,433,501.45
  5. Step 5: Solve for x
    x = 1,078,433,501.45/53,006.52
  6. Step 6: Final answer
    x = 20,345.30

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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.