Home / 15,979.34-22,063.22-10,317.39

Finding the Fourth Proportional to 15,979.34, 22,063.22 and 10,317.39

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Solution

The fourth proportional to 15,979.34, 22,063.22 and 10,317.39 is: 14,245.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.34 : 22,063.22 = 10,317.39 : x
  2. Step 2: Convert to fraction form
    15,979.34/22,063.22 = 10,317.39/x
  3. Step 3: Cross multiply
    15,979.34x = 22,063.22 × 10,317.39
  4. Step 4: Simplify right side
    15,979.34x = 227,634,793.81
  5. Step 5: Solve for x
    x = 227,634,793.81/15,979.34
  6. Step 6: Final answer
    x = 14,245.57

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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.