Home / 27,343.64-40,983.60-12,554.12

Finding the Fourth Proportional to 27,343.64, 40,983.60 and 12,554.12

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Solution

The fourth proportional to 27,343.64, 40,983.60 and 12,554.12 is: 18,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,343.64 : 40,983.60 = 12,554.12 : x
  2. Step 2: Convert to fraction form
    27,343.64/40,983.60 = 12,554.12/x
  3. Step 3: Cross multiply
    27,343.64x = 40,983.60 × 12,554.12
  4. Step 4: Simplify right side
    27,343.64x = 514,513,032.43
  5. Step 5: Solve for x
    x = 514,513,032.43/27,343.64
  6. Step 6: Final answer
    x = 18,816.55

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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.