Home / 16,671.36-24,985.40-12,478.44

Finding the Fourth Proportional to 16,671.36, 24,985.40 and 12,478.44

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Solution

The fourth proportional to 16,671.36, 24,985.40 and 12,478.44 is: 18,701.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,671.36 : 24,985.40 = 12,478.44 : x
  2. Step 2: Convert to fraction form
    16,671.36/24,985.40 = 12,478.44/x
  3. Step 3: Cross multiply
    16,671.36x = 24,985.40 × 12,478.44
  4. Step 4: Simplify right side
    16,671.36x = 311,778,814.78
  5. Step 5: Solve for x
    x = 311,778,814.78/16,671.36
  6. Step 6: Final answer
    x = 18,701.46

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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.