Home / 30,276.59-45,407.89-11,549.79

Finding the Fourth Proportional to 30,276.59, 45,407.89 and 11,549.79

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Solution

The fourth proportional to 30,276.59, 45,407.89 and 11,549.79 is: 17,322.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.59 : 45,407.89 = 11,549.79 : x
  2. Step 2: Convert to fraction form
    30,276.59/45,407.89 = 11,549.79/x
  3. Step 3: Cross multiply
    30,276.59x = 45,407.89 × 11,549.79
  4. Step 4: Simplify right side
    30,276.59x = 524,451,608.28
  5. Step 5: Solve for x
    x = 524,451,608.28/30,276.59
  6. Step 6: Final answer
    x = 17,322.02

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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.