Home / 18,604.66-25,681.17-12,319.06

Finding the Fourth Proportional to 18,604.66, 25,681.17 and 12,319.06

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Solution

The fourth proportional to 18,604.66, 25,681.17 and 12,319.06 is: 17,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.66 : 25,681.17 = 12,319.06 : x
  2. Step 2: Convert to fraction form
    18,604.66/25,681.17 = 12,319.06/x
  3. Step 3: Cross multiply
    18,604.66x = 25,681.17 × 12,319.06
  4. Step 4: Simplify right side
    18,604.66x = 316,367,874.10
  5. Step 5: Solve for x
    x = 316,367,874.10/18,604.66
  6. Step 6: Final answer
    x = 17,004.77

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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.