Home / 18,445.91-25,453.64-10,486.58

Finding the Fourth Proportional to 18,445.91, 25,453.64 and 10,486.58

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Solution

The fourth proportional to 18,445.91, 25,453.64 and 10,486.58 is: 14,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.91 : 25,453.64 = 10,486.58 : x
  2. Step 2: Convert to fraction form
    18,445.91/25,453.64 = 10,486.58/x
  3. Step 3: Cross multiply
    18,445.91x = 25,453.64 × 10,486.58
  4. Step 4: Simplify right side
    18,445.91x = 266,921,632.15
  5. Step 5: Solve for x
    x = 266,921,632.15/18,445.91
  6. Step 6: Final answer
    x = 14,470.50

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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.