Home / 16,929.35-25,387.74-7,069.28

Finding the Fourth Proportional to 16,929.35, 25,387.74 and 7,069.28

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Solution

The fourth proportional to 16,929.35, 25,387.74 and 7,069.28 is: 10,601.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.35 : 25,387.74 = 7,069.28 : x
  2. Step 2: Convert to fraction form
    16,929.35/25,387.74 = 7,069.28/x
  3. Step 3: Cross multiply
    16,929.35x = 25,387.74 × 7,069.28
  4. Step 4: Simplify right side
    16,929.35x = 179,473,106.10
  5. Step 5: Solve for x
    x = 179,473,106.10/16,929.35
  6. Step 6: Final answer
    x = 10,601.30

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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.