Home / 14,789.10-20,397.42-9,484.32

Finding the Fourth Proportional to 14,789.10, 20,397.42 and 9,484.32

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Solution

The fourth proportional to 14,789.10, 20,397.42 and 9,484.32 is: 13,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.10 : 20,397.42 = 9,484.32 : x
  2. Step 2: Convert to fraction form
    14,789.10/20,397.42 = 9,484.32/x
  3. Step 3: Cross multiply
    14,789.10x = 20,397.42 × 9,484.32
  4. Step 4: Simplify right side
    14,789.10x = 193,455,658.45
  5. Step 5: Solve for x
    x = 193,455,658.45/14,789.10
  6. Step 6: Final answer
    x = 13,080.96

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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.