Home / 13,306.97-18,353.73-9,056.70

Finding the Fourth Proportional to 13,306.97, 18,353.73 and 9,056.70

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Solution

The fourth proportional to 13,306.97, 18,353.73 and 9,056.70 is: 12,491.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.97 : 18,353.73 = 9,056.70 : x
  2. Step 2: Convert to fraction form
    13,306.97/18,353.73 = 9,056.70/x
  3. Step 3: Cross multiply
    13,306.97x = 18,353.73 × 9,056.70
  4. Step 4: Simplify right side
    13,306.97x = 166,224,226.49
  5. Step 5: Solve for x
    x = 166,224,226.49/13,306.97
  6. Step 6: Final answer
    x = 12,491.52

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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.