Home / 26,840.39-37,039.55-14,903.78

Finding the Fourth Proportional to 26,840.39, 37,039.55 and 14,903.78

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Solution

The fourth proportional to 26,840.39, 37,039.55 and 14,903.78 is: 20,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,840.39 : 37,039.55 = 14,903.78 : x
  2. Step 2: Convert to fraction form
    26,840.39/37,039.55 = 14,903.78/x
  3. Step 3: Cross multiply
    26,840.39x = 37,039.55 × 14,903.78
  4. Step 4: Simplify right side
    26,840.39x = 552,029,044.78
  5. Step 5: Solve for x
    x = 552,029,044.78/26,840.39
  6. Step 6: Final answer
    x = 20,567.11

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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.