Home / 18,960.85-26,165.80-10,463.05

Finding the Fourth Proportional to 18,960.85, 26,165.80 and 10,463.05

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Solution

The fourth proportional to 18,960.85, 26,165.80 and 10,463.05 is: 14,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960.85 : 26,165.80 = 10,463.05 : x
  2. Step 2: Convert to fraction form
    18,960.85/26,165.80 = 10,463.05/x
  3. Step 3: Cross multiply
    18,960.85x = 26,165.80 × 10,463.05
  4. Step 4: Simplify right side
    18,960.85x = 273,774,001.74
  5. Step 5: Solve for x
    x = 273,774,001.74/18,960.85
  6. Step 6: Final answer
    x = 14,438.91

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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.