Home / 26,724.08-36,878.90-14,786.70

Finding the Fourth Proportional to 26,724.08, 36,878.90 and 14,786.70

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Solution

The fourth proportional to 26,724.08, 36,878.90 and 14,786.70 is: 20,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,724.08 : 36,878.90 = 14,786.70 : x
  2. Step 2: Convert to fraction form
    26,724.08/36,878.90 = 14,786.70/x
  3. Step 3: Cross multiply
    26,724.08x = 36,878.90 × 14,786.70
  4. Step 4: Simplify right side
    26,724.08x = 545,317,225.84
  5. Step 5: Solve for x
    x = 545,317,225.84/26,724.08
  6. Step 6: Final answer
    x = 20,405.47

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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.