Home / 38,770.86-58,166.04-12,475.02

Finding the Fourth Proportional to 38,770.86, 58,166.04 and 12,475.02

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Solution

The fourth proportional to 38,770.86, 58,166.04 and 12,475.02 is: 18,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,770.86 : 58,166.04 = 12,475.02 : x
  2. Step 2: Convert to fraction form
    38,770.86/58,166.04 = 12,475.02/x
  3. Step 3: Cross multiply
    38,770.86x = 58,166.04 × 12,475.02
  4. Step 4: Simplify right side
    38,770.86x = 725,622,512.32
  5. Step 5: Solve for x
    x = 725,622,512.32/38,770.86
  6. Step 6: Final answer
    x = 18,715.67

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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.