Home / 16,751.85-23,117.75-9,581.66

Finding the Fourth Proportional to 16,751.85, 23,117.75 and 9,581.66

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Solution

The fourth proportional to 16,751.85, 23,117.75 and 9,581.66 is: 13,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,751.85 : 23,117.75 = 9,581.66 : x
  2. Step 2: Convert to fraction form
    16,751.85/23,117.75 = 9,581.66/x
  3. Step 3: Cross multiply
    16,751.85x = 23,117.75 × 9,581.66
  4. Step 4: Simplify right side
    16,751.85x = 221,506,256.97
  5. Step 5: Solve for x
    x = 221,506,256.97/16,751.85
  6. Step 6: Final answer
    x = 13,222.79

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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.