Home / 26,106.63-39,107.66-12,047.64

Finding the Fourth Proportional to 26,106.63, 39,107.66 and 12,047.64

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Solution

The fourth proportional to 26,106.63, 39,107.66 and 12,047.64 is: 18,047.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,106.63 : 39,107.66 = 12,047.64 : x
  2. Step 2: Convert to fraction form
    26,106.63/39,107.66 = 12,047.64/x
  3. Step 3: Cross multiply
    26,106.63x = 39,107.66 × 12,047.64
  4. Step 4: Simplify right side
    26,106.63x = 471,154,869.80
  5. Step 5: Solve for x
    x = 471,154,869.80/26,106.63
  6. Step 6: Final answer
    x = 18,047.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.