Home / 30,254.47-45,381.65-9,194.42

Finding the Fourth Proportional to 30,254.47, 45,381.65 and 9,194.42

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Solution

The fourth proportional to 30,254.47, 45,381.65 and 9,194.42 is: 13,791.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,254.47 : 45,381.65 = 9,194.42 : x
  2. Step 2: Convert to fraction form
    30,254.47/45,381.65 = 9,194.42/x
  3. Step 3: Cross multiply
    30,254.47x = 45,381.65 × 9,194.42
  4. Step 4: Simplify right side
    30,254.47x = 417,258,017.88
  5. Step 5: Solve for x
    x = 417,258,017.88/30,254.47
  6. Step 6: Final answer
    x = 13,791.62

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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.