Home / 17,166.15-23,689.80-9,612.45

Finding the Fourth Proportional to 17,166.15, 23,689.80 and 9,612.45

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Solution

The fourth proportional to 17,166.15, 23,689.80 and 9,612.45 is: 13,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.15 : 23,689.80 = 9,612.45 : x
  2. Step 2: Convert to fraction form
    17,166.15/23,689.80 = 9,612.45/x
  3. Step 3: Cross multiply
    17,166.15x = 23,689.80 × 9,612.45
  4. Step 4: Simplify right side
    17,166.15x = 227,717,018.01
  5. Step 5: Solve for x
    x = 227,717,018.01/17,166.15
  6. Step 6: Final answer
    x = 13,265.47

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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.