Home / 26,718.08-40,066.16-11,916.88

Finding the Fourth Proportional to 26,718.08, 40,066.16 and 11,916.88

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Solution

The fourth proportional to 26,718.08, 40,066.16 and 11,916.88 is: 17,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,718.08 : 40,066.16 = 11,916.88 : x
  2. Step 2: Convert to fraction form
    26,718.08/40,066.16 = 11,916.88/x
  3. Step 3: Cross multiply
    26,718.08x = 40,066.16 × 11,916.88
  4. Step 4: Simplify right side
    26,718.08x = 477,463,620.78
  5. Step 5: Solve for x
    x = 477,463,620.78/26,718.08
  6. Step 6: Final answer
    x = 17,870.43

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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.