Home / 27,209.48-40,821.08-13,176.24

Finding the Fourth Proportional to 27,209.48, 40,821.08 and 13,176.24

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Solution

The fourth proportional to 27,209.48, 40,821.08 and 13,176.24 is: 19,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,209.48 : 40,821.08 = 13,176.24 : x
  2. Step 2: Convert to fraction form
    27,209.48/40,821.08 = 13,176.24/x
  3. Step 3: Cross multiply
    27,209.48x = 40,821.08 × 13,176.24
  4. Step 4: Simplify right side
    27,209.48x = 537,868,347.14
  5. Step 5: Solve for x
    x = 537,868,347.14/27,209.48
  6. Step 6: Final answer
    x = 19,767.68

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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.