Home / 16,521.08-24,783.03-5,278.03

Finding the Fourth Proportional to 16,521.08, 24,783.03 and 5,278.03

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Solution

The fourth proportional to 16,521.08, 24,783.03 and 5,278.03 is: 7,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521.08 : 24,783.03 = 5,278.03 : x
  2. Step 2: Convert to fraction form
    16,521.08/24,783.03 = 5,278.03/x
  3. Step 3: Cross multiply
    16,521.08x = 24,783.03 × 5,278.03
  4. Step 4: Simplify right side
    16,521.08x = 130,805,513.87
  5. Step 5: Solve for x
    x = 130,805,513.87/16,521.08
  6. Step 6: Final answer
    x = 7,917.49

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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.