Home / 14,742.19-20,330.89-9,704.55

Finding the Fourth Proportional to 14,742.19, 20,330.89 and 9,704.55

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Solution

The fourth proportional to 14,742.19, 20,330.89 and 9,704.55 is: 13,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.19 : 20,330.89 = 9,704.55 : x
  2. Step 2: Convert to fraction form
    14,742.19/20,330.89 = 9,704.55/x
  3. Step 3: Cross multiply
    14,742.19x = 20,330.89 × 9,704.55
  4. Step 4: Simplify right side
    14,742.19x = 197,302,103.46
  5. Step 5: Solve for x
    x = 197,302,103.46/14,742.19
  6. Step 6: Final answer
    x = 13,383.50

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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.