Home / 18,282.35-25,232.15-10,521.00

Finding the Fourth Proportional to 18,282.35, 25,232.15 and 10,521.00

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Solution

The fourth proportional to 18,282.35, 25,232.15 and 10,521.00 is: 14,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.35 : 25,232.15 = 10,521.00 : x
  2. Step 2: Convert to fraction form
    18,282.35/25,232.15 = 10,521.00/x
  3. Step 3: Cross multiply
    18,282.35x = 25,232.15 × 10,521.00
  4. Step 4: Simplify right side
    18,282.35x = 265,467,390.28
  5. Step 5: Solve for x
    x = 265,467,390.28/18,282.35
  6. Step 6: Final answer
    x = 14,520.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.