Home / 26,455.74-39,683.61-12,601.50

Finding the Fourth Proportional to 26,455.74, 39,683.61 and 12,601.50

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Solution

The fourth proportional to 26,455.74, 39,683.61 and 12,601.50 is: 18,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,455.74 : 39,683.61 = 12,601.50 : x
  2. Step 2: Convert to fraction form
    26,455.74/39,683.61 = 12,601.50/x
  3. Step 3: Cross multiply
    26,455.74x = 39,683.61 × 12,601.50
  4. Step 4: Simplify right side
    26,455.74x = 500,073,011.42
  5. Step 5: Solve for x
    x = 500,073,011.42/26,455.74
  6. Step 6: Final answer
    x = 18,902.25

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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.