Home / 20,577.12-28,396.27-11,624.46

Finding the Fourth Proportional to 20,577.12, 28,396.27 and 11,624.46

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Solution

The fourth proportional to 20,577.12, 28,396.27 and 11,624.46 is: 16,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.12 : 28,396.27 = 11,624.46 : x
  2. Step 2: Convert to fraction form
    20,577.12/28,396.27 = 11,624.46/x
  3. Step 3: Cross multiply
    20,577.12x = 28,396.27 × 11,624.46
  4. Step 4: Simplify right side
    20,577.12x = 330,091,304.76
  5. Step 5: Solve for x
    x = 330,091,304.76/20,577.12
  6. Step 6: Final answer
    x = 16,041.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.