Home / 18,623.74-25,697.08-10,447.62

Finding the Fourth Proportional to 18,623.74, 25,697.08 and 10,447.62

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Solution

The fourth proportional to 18,623.74, 25,697.08 and 10,447.62 is: 14,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.74 : 25,697.08 = 10,447.62 : x
  2. Step 2: Convert to fraction form
    18,623.74/25,697.08 = 10,447.62/x
  3. Step 3: Cross multiply
    18,623.74x = 25,697.08 × 10,447.62
  4. Step 4: Simplify right side
    18,623.74x = 268,473,326.95
  5. Step 5: Solve for x
    x = 268,473,326.95/18,623.74
  6. Step 6: Final answer
    x = 14,415.65

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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.