Home / 14,882.20-20,538.18-9,573.40

Finding the Fourth Proportional to 14,882.20, 20,538.18 and 9,573.40

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Solution

The fourth proportional to 14,882.20, 20,538.18 and 9,573.40 is: 13,211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,882.20 : 20,538.18 = 9,573.40 : x
  2. Step 2: Convert to fraction form
    14,882.20/20,538.18 = 9,573.40/x
  3. Step 3: Cross multiply
    14,882.20x = 20,538.18 × 9,573.40
  4. Step 4: Simplify right side
    14,882.20x = 196,620,212.41
  5. Step 5: Solve for x
    x = 196,620,212.41/14,882.20
  6. Step 6: Final answer
    x = 13,211.77

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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.