Home / 16,403.03-24,589.89-6,405.45

Finding the Fourth Proportional to 16,403.03, 24,589.89 and 6,405.45

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Solution

The fourth proportional to 16,403.03, 24,589.89 and 6,405.45 is: 9,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403.03 : 24,589.89 = 6,405.45 : x
  2. Step 2: Convert to fraction form
    16,403.03/24,589.89 = 6,405.45/x
  3. Step 3: Cross multiply
    16,403.03x = 24,589.89 × 6,405.45
  4. Step 4: Simplify right side
    16,403.03x = 157,509,218.69
  5. Step 5: Solve for x
    x = 157,509,218.69/16,403.03
  6. Step 6: Final answer
    x = 9,602.45

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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.