Home / 26,609.66-36,723.79-15,280.64

Finding the Fourth Proportional to 26,609.66, 36,723.79 and 15,280.64

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Solution

The fourth proportional to 26,609.66, 36,723.79 and 15,280.64 is: 21,088.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,609.66 : 36,723.79 = 15,280.64 : x
  2. Step 2: Convert to fraction form
    26,609.66/36,723.79 = 15,280.64/x
  3. Step 3: Cross multiply
    26,609.66x = 36,723.79 × 15,280.64
  4. Step 4: Simplify right side
    26,609.66x = 561,162,792.61
  5. Step 5: Solve for x
    x = 561,162,792.61/26,609.66
  6. Step 6: Final answer
    x = 21,088.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.