Home / 18,948.58-26,150.53-10,451.47

Finding the Fourth Proportional to 18,948.58, 26,150.53 and 10,451.47

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Solution

The fourth proportional to 18,948.58, 26,150.53 and 10,451.47 is: 14,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.58 : 26,150.53 = 10,451.47 : x
  2. Step 2: Convert to fraction form
    18,948.58/26,150.53 = 10,451.47/x
  3. Step 3: Cross multiply
    18,948.58x = 26,150.53 × 10,451.47
  4. Step 4: Simplify right side
    18,948.58x = 273,311,479.78
  5. Step 5: Solve for x
    x = 273,311,479.78/18,948.58
  6. Step 6: Final answer
    x = 14,423.85

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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.