Home / 27,712.16-41,568.24-12,931.44

Finding the Fourth Proportional to 27,712.16, 41,568.24 and 12,931.44

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Solution

The fourth proportional to 27,712.16, 41,568.24 and 12,931.44 is: 19,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712.16 : 41,568.24 = 12,931.44 : x
  2. Step 2: Convert to fraction form
    27,712.16/41,568.24 = 12,931.44/x
  3. Step 3: Cross multiply
    27,712.16x = 41,568.24 × 12,931.44
  4. Step 4: Simplify right side
    27,712.16x = 537,537,201.47
  5. Step 5: Solve for x
    x = 537,537,201.47/27,712.16
  6. Step 6: Final answer
    x = 19,397.16

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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.