Home / 27,603.89-38,080.63-16,265.64

Finding the Fourth Proportional to 27,603.89, 38,080.63 and 16,265.64

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Solution

The fourth proportional to 27,603.89, 38,080.63 and 16,265.64 is: 22,439.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.89 : 38,080.63 = 16,265.64 : x
  2. Step 2: Convert to fraction form
    27,603.89/38,080.63 = 16,265.64/x
  3. Step 3: Cross multiply
    27,603.89x = 38,080.63 × 16,265.64
  4. Step 4: Simplify right side
    27,603.89x = 619,405,818.55
  5. Step 5: Solve for x
    x = 619,405,818.55/27,603.89
  6. Step 6: Final answer
    x = 22,439.08

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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.