Home / 18,969.68-26,177.10-10,586.72

Finding the Fourth Proportional to 18,969.68, 26,177.10 and 10,586.72

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Solution

The fourth proportional to 18,969.68, 26,177.10 and 10,586.72 is: 14,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,969.68 : 26,177.10 = 10,586.72 : x
  2. Step 2: Convert to fraction form
    18,969.68/26,177.10 = 10,586.72/x
  3. Step 3: Cross multiply
    18,969.68x = 26,177.10 × 10,586.72
  4. Step 4: Simplify right side
    18,969.68x = 277,129,628.11
  5. Step 5: Solve for x
    x = 277,129,628.11/18,969.68
  6. Step 6: Final answer
    x = 14,609.08

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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.