Home / 30,292.92-45,443.70-9,518.04

Finding the Fourth Proportional to 30,292.92, 45,443.70 and 9,518.04

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Solution

The fourth proportional to 30,292.92, 45,443.70 and 9,518.04 is: 14,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.92 : 45,443.70 = 9,518.04 : x
  2. Step 2: Convert to fraction form
    30,292.92/45,443.70 = 9,518.04/x
  3. Step 3: Cross multiply
    30,292.92x = 45,443.70 × 9,518.04
  4. Step 4: Simplify right side
    30,292.92x = 432,534,954.35
  5. Step 5: Solve for x
    x = 432,534,954.35/30,292.92
  6. Step 6: Final answer
    x = 14,278.42

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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.