Home / 14,789.50-20,409.51-10,082.02

Finding the Fourth Proportional to 14,789.50, 20,409.51 and 10,082.02

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Solution

The fourth proportional to 14,789.50, 20,409.51 and 10,082.02 is: 13,913.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.50 : 20,409.51 = 10,082.02 : x
  2. Step 2: Convert to fraction form
    14,789.50/20,409.51 = 10,082.02/x
  3. Step 3: Cross multiply
    14,789.50x = 20,409.51 × 10,082.02
  4. Step 4: Simplify right side
    14,789.50x = 205,769,088.01
  5. Step 5: Solve for x
    x = 205,769,088.01/14,789.50
  6. Step 6: Final answer
    x = 13,913.19

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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.