Home / 18,767.10-25,886.34-12,042.06

Finding the Fourth Proportional to 18,767.10, 25,886.34 and 12,042.06

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Solution

The fourth proportional to 18,767.10, 25,886.34 and 12,042.06 is: 16,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,767.10 : 25,886.34 = 12,042.06 : x
  2. Step 2: Convert to fraction form
    18,767.10/25,886.34 = 12,042.06/x
  3. Step 3: Cross multiply
    18,767.10x = 25,886.34 × 12,042.06
  4. Step 4: Simplify right side
    18,767.10x = 311,724,859.46
  5. Step 5: Solve for x
    x = 311,724,859.46/18,767.10
  6. Step 6: Final answer
    x = 16,610.18

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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.