Home / 15,876.39-23,814.60-4,189.71

Finding the Fourth Proportional to 15,876.39, 23,814.60 and 4,189.71

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Solution

The fourth proportional to 15,876.39, 23,814.60 and 4,189.71 is: 6,284.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876.39 : 23,814.60 = 4,189.71 : x
  2. Step 2: Convert to fraction form
    15,876.39/23,814.60 = 4,189.71/x
  3. Step 3: Cross multiply
    15,876.39x = 23,814.60 × 4,189.71
  4. Step 4: Simplify right side
    15,876.39x = 99,776,267.77
  5. Step 5: Solve for x
    x = 99,776,267.77/15,876.39
  6. Step 6: Final answer
    x = 6,284.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.