Home / 16,962.45-25,437.60-8,639.70

Finding the Fourth Proportional to 16,962.45, 25,437.60 and 8,639.70

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Solution

The fourth proportional to 16,962.45, 25,437.60 and 8,639.70 is: 12,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,962.45 : 25,437.60 = 8,639.70 : x
  2. Step 2: Convert to fraction form
    16,962.45/25,437.60 = 8,639.70/x
  3. Step 3: Cross multiply
    16,962.45x = 25,437.60 × 8,639.70
  4. Step 4: Simplify right side
    16,962.45x = 219,773,232.72
  5. Step 5: Solve for x
    x = 219,773,232.72/16,962.45
  6. Step 6: Final answer
    x = 12,956.46

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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.