Home / 18,859.14-26,043.12-12,160.44

Finding the Fourth Proportional to 18,859.14, 26,043.12 and 12,160.44

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Solution

The fourth proportional to 18,859.14, 26,043.12 and 12,160.44 is: 16,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859.14 : 26,043.12 = 12,160.44 : x
  2. Step 2: Convert to fraction form
    18,859.14/26,043.12 = 12,160.44/x
  3. Step 3: Cross multiply
    18,859.14x = 26,043.12 × 12,160.44
  4. Step 4: Simplify right side
    18,859.14x = 316,695,798.17
  5. Step 5: Solve for x
    x = 316,695,798.17/18,859.14
  6. Step 6: Final answer
    x = 16,792.70

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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.