Home / 27,756.93-38,304.05-17,000.09

Finding the Fourth Proportional to 27,756.93, 38,304.05 and 17,000.09

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Solution

The fourth proportional to 27,756.93, 38,304.05 and 17,000.09 is: 23,459.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,756.93 : 38,304.05 = 17,000.09 : x
  2. Step 2: Convert to fraction form
    27,756.93/38,304.05 = 17,000.09/x
  3. Step 3: Cross multiply
    27,756.93x = 38,304.05 × 17,000.09
  4. Step 4: Simplify right side
    27,756.93x = 651,172,427.76
  5. Step 5: Solve for x
    x = 651,172,427.76/27,756.93
  6. Step 6: Final answer
    x = 23,459.82

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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.