Home / 30,667.14-46,001.25-9,890.64

Finding the Fourth Proportional to 30,667.14, 46,001.25 and 9,890.64

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Solution

The fourth proportional to 30,667.14, 46,001.25 and 9,890.64 is: 14,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,667.14 : 46,001.25 = 9,890.64 : x
  2. Step 2: Convert to fraction form
    30,667.14/46,001.25 = 9,890.64/x
  3. Step 3: Cross multiply
    30,667.14x = 46,001.25 × 9,890.64
  4. Step 4: Simplify right side
    30,667.14x = 454,981,803.30
  5. Step 5: Solve for x
    x = 454,981,803.30/30,667.14
  6. Step 6: Final answer
    x = 14,836.13

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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.