Home / 15,427.59-23,151.78-6,663.39

Finding the Fourth Proportional to 15,427.59, 23,151.78 and 6,663.39

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Solution

The fourth proportional to 15,427.59, 23,151.78 and 6,663.39 is: 9,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.59 : 23,151.78 = 6,663.39 : x
  2. Step 2: Convert to fraction form
    15,427.59/23,151.78 = 6,663.39/x
  3. Step 3: Cross multiply
    15,427.59x = 23,151.78 × 6,663.39
  4. Step 4: Simplify right side
    15,427.59x = 154,269,339.33
  5. Step 5: Solve for x
    x = 154,269,339.33/15,427.59
  6. Step 6: Final answer
    x = 9,999.57

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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.