Home / 17,087.91-23,566.59-11,117.40

Finding the Fourth Proportional to 17,087.91, 23,566.59 and 11,117.40

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Solution

The fourth proportional to 17,087.91, 23,566.59 and 11,117.40 is: 15,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.91 : 23,566.59 = 11,117.40 : x
  2. Step 2: Convert to fraction form
    17,087.91/23,566.59 = 11,117.40/x
  3. Step 3: Cross multiply
    17,087.91x = 23,566.59 × 11,117.40
  4. Step 4: Simplify right side
    17,087.91x = 261,999,207.67
  5. Step 5: Solve for x
    x = 261,999,207.67/17,087.91
  6. Step 6: Final answer
    x = 15,332.43

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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.