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Finding the Fourth Proportional to 14,955.70, 22,390.35 and 9,123.70

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Solution

The fourth proportional to 14,955.70, 22,390.35 and 9,123.70 is: 13,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.70 : 22,390.35 = 9,123.70 : x
  2. Step 2: Convert to fraction form
    14,955.70/22,390.35 = 9,123.70/x
  3. Step 3: Cross multiply
    14,955.70x = 22,390.35 × 9,123.70
  4. Step 4: Simplify right side
    14,955.70x = 204,282,836.30
  5. Step 5: Solve for x
    x = 204,282,836.30/14,955.70
  6. Step 6: Final answer
    x = 13,659.20

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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.