Home / 16,456.40-24,690.36-4,770.32

Finding the Fourth Proportional to 16,456.40, 24,690.36 and 4,770.32

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Solution

The fourth proportional to 16,456.40, 24,690.36 and 4,770.32 is: 7,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,456.40 : 24,690.36 = 4,770.32 : x
  2. Step 2: Convert to fraction form
    16,456.40/24,690.36 = 4,770.32/x
  3. Step 3: Cross multiply
    16,456.40x = 24,690.36 × 4,770.32
  4. Step 4: Simplify right side
    16,456.40x = 117,780,918.12
  5. Step 5: Solve for x
    x = 117,780,918.12/16,456.40
  6. Step 6: Final answer
    x = 7,157.15

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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.