Home / 14,608.91-20,139.26-10,409.87

Finding the Fourth Proportional to 14,608.91, 20,139.26 and 10,409.87

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Solution

The fourth proportional to 14,608.91, 20,139.26 and 10,409.87 is: 14,350.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,608.91 : 20,139.26 = 10,409.87 : x
  2. Step 2: Convert to fraction form
    14,608.91/20,139.26 = 10,409.87/x
  3. Step 3: Cross multiply
    14,608.91x = 20,139.26 × 10,409.87
  4. Step 4: Simplify right side
    14,608.91x = 209,646,925.75
  5. Step 5: Solve for x
    x = 209,646,925.75/14,608.91
  6. Step 6: Final answer
    x = 14,350.63

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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.