Home / 27,135.90-37,455.66-16,530.77

Finding the Fourth Proportional to 27,135.90, 37,455.66 and 16,530.77

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Solution

The fourth proportional to 27,135.90, 37,455.66 and 16,530.77 is: 22,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,135.90 : 37,455.66 = 16,530.77 : x
  2. Step 2: Convert to fraction form
    27,135.90/37,455.66 = 16,530.77/x
  3. Step 3: Cross multiply
    27,135.90x = 37,455.66 × 16,530.77
  4. Step 4: Simplify right side
    27,135.90x = 619,170,713.38
  5. Step 5: Solve for x
    x = 619,170,713.38/27,135.90
  6. Step 6: Final answer
    x = 22,817.40

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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.