Home / 30,264.72-45,378.63-11,524.74

Finding the Fourth Proportional to 30,264.72, 45,378.63 and 11,524.74

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Solution

The fourth proportional to 30,264.72, 45,378.63 and 11,524.74 is: 17,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,264.72 : 45,378.63 = 11,524.74 : x
  2. Step 2: Convert to fraction form
    30,264.72/45,378.63 = 11,524.74/x
  3. Step 3: Cross multiply
    30,264.72x = 45,378.63 × 11,524.74
  4. Step 4: Simplify right side
    30,264.72x = 522,976,912.31
  5. Step 5: Solve for x
    x = 522,976,912.31/30,264.72
  6. Step 6: Final answer
    x = 17,280.08

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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.