Home / 16,983.86-23,438.46-9,430.19

Finding the Fourth Proportional to 16,983.86, 23,438.46 and 9,430.19

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Solution

The fourth proportional to 16,983.86, 23,438.46 and 9,430.19 is: 13,014.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.86 : 23,438.46 = 9,430.19 : x
  2. Step 2: Convert to fraction form
    16,983.86/23,438.46 = 9,430.19/x
  3. Step 3: Cross multiply
    16,983.86x = 23,438.46 × 9,430.19
  4. Step 4: Simplify right side
    16,983.86x = 221,029,131.11
  5. Step 5: Solve for x
    x = 221,029,131.11/16,983.86
  6. Step 6: Final answer
    x = 13,014.07

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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.