Home / 19,631.91-29,448.18-4,840.84

Finding the Fourth Proportional to 19,631.91, 29,448.18 and 4,840.84

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Solution

The fourth proportional to 19,631.91, 29,448.18 and 4,840.84 is: 7,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.91 : 29,448.18 = 4,840.84 : x
  2. Step 2: Convert to fraction form
    19,631.91/29,448.18 = 4,840.84/x
  3. Step 3: Cross multiply
    19,631.91x = 29,448.18 × 4,840.84
  4. Step 4: Simplify right side
    19,631.91x = 142,553,835.39
  5. Step 5: Solve for x
    x = 142,553,835.39/19,631.91
  6. Step 6: Final answer
    x = 7,261.33

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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.