Home / 18,969.28-26,177.60-10,585.76

Finding the Fourth Proportional to 18,969.28, 26,177.60 and 10,585.76

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Solution

The fourth proportional to 18,969.28, 26,177.60 and 10,585.76 is: 14,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,969.28 : 26,177.60 = 10,585.76 : x
  2. Step 2: Convert to fraction form
    18,969.28/26,177.60 = 10,585.76/x
  3. Step 3: Cross multiply
    18,969.28x = 26,177.60 × 10,585.76
  4. Step 4: Simplify right side
    18,969.28x = 277,109,790.98
  5. Step 5: Solve for x
    x = 277,109,790.98/18,969.28
  6. Step 6: Final answer
    x = 14,608.35

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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.