Home / 18,623.32-25,701.64-10,668.11

Finding the Fourth Proportional to 18,623.32, 25,701.64 and 10,668.11

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Solution

The fourth proportional to 18,623.32, 25,701.64 and 10,668.11 is: 14,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.32 : 25,701.64 = 10,668.11 : x
  2. Step 2: Convert to fraction form
    18,623.32/25,701.64 = 10,668.11/x
  3. Step 3: Cross multiply
    18,623.32x = 25,701.64 × 10,668.11
  4. Step 4: Simplify right side
    18,623.32x = 274,187,767.52
  5. Step 5: Solve for x
    x = 274,187,767.52/18,623.32
  6. Step 6: Final answer
    x = 14,722.82

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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.