Home / 38,667.18-58,004.43-12,365.67

Finding the Fourth Proportional to 38,667.18, 58,004.43 and 12,365.67

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Solution

The fourth proportional to 38,667.18, 58,004.43 and 12,365.67 is: 18,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,667.18 : 58,004.43 = 12,365.67 : x
  2. Step 2: Convert to fraction form
    38,667.18/58,004.43 = 12,365.67/x
  3. Step 3: Cross multiply
    38,667.18x = 58,004.43 × 12,365.67
  4. Step 4: Simplify right side
    38,667.18x = 717,263,639.92
  5. Step 5: Solve for x
    x = 717,263,639.92/38,667.18
  6. Step 6: Final answer
    x = 18,549.68

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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.