Home / 16,728.65-25,071.10-6,856.37

Finding the Fourth Proportional to 16,728.65, 25,071.10 and 6,856.37

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Solution

The fourth proportional to 16,728.65, 25,071.10 and 6,856.37 is: 10,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.65 : 25,071.10 = 6,856.37 : x
  2. Step 2: Convert to fraction form
    16,728.65/25,071.10 = 6,856.37/x
  3. Step 3: Cross multiply
    16,728.65x = 25,071.10 × 6,856.37
  4. Step 4: Simplify right side
    16,728.65x = 171,896,595.41
  5. Step 5: Solve for x
    x = 171,896,595.41/16,728.65
  6. Step 6: Final answer
    x = 10,275.58

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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.