Home / 14,836.96-20,455.90-9,529.84

Finding the Fourth Proportional to 14,836.96, 20,455.90 and 9,529.84

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Solution

The fourth proportional to 14,836.96, 20,455.90 and 9,529.84 is: 13,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,836.96 : 20,455.90 = 9,529.84 : x
  2. Step 2: Convert to fraction form
    14,836.96/20,455.90 = 9,529.84/x
  3. Step 3: Cross multiply
    14,836.96x = 20,455.90 × 9,529.84
  4. Step 4: Simplify right side
    14,836.96x = 194,941,454.06
  5. Step 5: Solve for x
    x = 194,941,454.06/14,836.96
  6. Step 6: Final answer
    x = 13,138.91

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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.