Home / 17,379.15-23,983.35-9,421.50

Finding the Fourth Proportional to 17,379.15, 23,983.35 and 9,421.50

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Solution

The fourth proportional to 17,379.15, 23,983.35 and 9,421.50 is: 13,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,379.15 : 23,983.35 = 9,421.50 : x
  2. Step 2: Convert to fraction form
    17,379.15/23,983.35 = 9,421.50/x
  3. Step 3: Cross multiply
    17,379.15x = 23,983.35 × 9,421.50
  4. Step 4: Simplify right side
    17,379.15x = 225,959,132.03
  5. Step 5: Solve for x
    x = 225,959,132.03/17,379.15
  6. Step 6: Final answer
    x = 13,001.74

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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.