Home / 16,478.31-24,720.59-6,618.36

Finding the Fourth Proportional to 16,478.31, 24,720.59 and 6,618.36

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Solution

The fourth proportional to 16,478.31, 24,720.59 and 6,618.36 is: 9,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.31 : 24,720.59 = 6,618.36 : x
  2. Step 2: Convert to fraction form
    16,478.31/24,720.59 = 6,618.36/x
  3. Step 3: Cross multiply
    16,478.31x = 24,720.59 × 6,618.36
  4. Step 4: Simplify right side
    16,478.31x = 163,609,764.03
  5. Step 5: Solve for x
    x = 163,609,764.03/16,478.31
  6. Step 6: Final answer
    x = 9,928.80

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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.