Home / 16,971.85-23,430.43-10,259.18

Finding the Fourth Proportional to 16,971.85, 23,430.43 and 10,259.18

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Solution

The fourth proportional to 16,971.85, 23,430.43 and 10,259.18 is: 14,163.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.85 : 23,430.43 = 10,259.18 : x
  2. Step 2: Convert to fraction form
    16,971.85/23,430.43 = 10,259.18/x
  3. Step 3: Cross multiply
    16,971.85x = 23,430.43 × 10,259.18
  4. Step 4: Simplify right side
    16,971.85x = 240,376,998.85
  5. Step 5: Solve for x
    x = 240,376,998.85/16,971.85
  6. Step 6: Final answer
    x = 14,163.28

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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.