Home / 26,187.12-36,139.04-14,857.09

Finding the Fourth Proportional to 26,187.12, 36,139.04 and 14,857.09

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Solution

The fourth proportional to 26,187.12, 36,139.04 and 14,857.09 is: 20,503.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,187.12 : 36,139.04 = 14,857.09 : x
  2. Step 2: Convert to fraction form
    26,187.12/36,139.04 = 14,857.09/x
  3. Step 3: Cross multiply
    26,187.12x = 36,139.04 × 14,857.09
  4. Step 4: Simplify right side
    26,187.12x = 536,920,969.79
  5. Step 5: Solve for x
    x = 536,920,969.79/26,187.12
  6. Step 6: Final answer
    x = 20,503.25

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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.