Home / 26,623.50-36,740.43-15,447.66

Finding the Fourth Proportional to 26,623.50, 36,740.43 and 15,447.66

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Solution

The fourth proportional to 26,623.50, 36,740.43 and 15,447.66 is: 21,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,623.50 : 36,740.43 = 15,447.66 : x
  2. Step 2: Convert to fraction form
    26,623.50/36,740.43 = 15,447.66/x
  3. Step 3: Cross multiply
    26,623.50x = 36,740.43 × 15,447.66
  4. Step 4: Simplify right side
    26,623.50x = 567,553,670.89
  5. Step 5: Solve for x
    x = 567,553,670.89/26,623.50
  6. Step 6: Final answer
    x = 21,317.77

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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.