Home / 26,717.87-36,870.50-14,780.95

Finding the Fourth Proportional to 26,717.87, 36,870.50 and 14,780.95

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Solution

The fourth proportional to 26,717.87, 36,870.50 and 14,780.95 is: 20,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,717.87 : 36,870.50 = 14,780.95 : x
  2. Step 2: Convert to fraction form
    26,717.87/36,870.50 = 14,780.95/x
  3. Step 3: Cross multiply
    26,717.87x = 36,870.50 × 14,780.95
  4. Step 4: Simplify right side
    26,717.87x = 544,980,850.89
  5. Step 5: Solve for x
    x = 544,980,850.89/26,717.87
  6. Step 6: Final answer
    x = 20,397.61

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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.