Home / 25,069.52-34,579.20-16,128.32

Finding the Fourth Proportional to 25,069.52, 34,579.20 and 16,128.32

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Solution

The fourth proportional to 25,069.52, 34,579.20 and 16,128.32 is: 22,246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,069.52 : 34,579.20 = 16,128.32 : x
  2. Step 2: Convert to fraction form
    25,069.52/34,579.20 = 16,128.32/x
  3. Step 3: Cross multiply
    25,069.52x = 34,579.20 × 16,128.32
  4. Step 4: Simplify right side
    25,069.52x = 557,704,402.94
  5. Step 5: Solve for x
    x = 557,704,402.94/25,069.52
  6. Step 6: Final answer
    x = 22,246.31

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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.