Home / 27,681.12-41,498.64-12,882.24

Finding the Fourth Proportional to 27,681.12, 41,498.64 and 12,882.24

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Solution

The fourth proportional to 27,681.12, 41,498.64 and 12,882.24 is: 19,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681.12 : 41,498.64 = 12,882.24 : x
  2. Step 2: Convert to fraction form
    27,681.12/41,498.64 = 12,882.24/x
  3. Step 3: Cross multiply
    27,681.12x = 41,498.64 × 12,882.24
  4. Step 4: Simplify right side
    27,681.12x = 534,595,440.15
  5. Step 5: Solve for x
    x = 534,595,440.15/27,681.12
  6. Step 6: Final answer
    x = 19,312.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.