Home / 27,020.08-40,530.12-11,437.84

Finding the Fourth Proportional to 27,020.08, 40,530.12 and 11,437.84

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Solution

The fourth proportional to 27,020.08, 40,530.12 and 11,437.84 is: 17,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.08 : 40,530.12 = 11,437.84 : x
  2. Step 2: Convert to fraction form
    27,020.08/40,530.12 = 11,437.84/x
  3. Step 3: Cross multiply
    27,020.08x = 40,530.12 × 11,437.84
  4. Step 4: Simplify right side
    27,020.08x = 463,577,027.74
  5. Step 5: Solve for x
    x = 463,577,027.74/27,020.08
  6. Step 6: Final answer
    x = 17,156.76

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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.