Home / 18,476.40-25,493.76-10,516.56

Finding the Fourth Proportional to 18,476.40, 25,493.76 and 10,516.56

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Solution

The fourth proportional to 18,476.40, 25,493.76 and 10,516.56 is: 14,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,476.40 : 25,493.76 = 10,516.56 : x
  2. Step 2: Convert to fraction form
    18,476.40/25,493.76 = 10,516.56/x
  3. Step 3: Cross multiply
    18,476.40x = 25,493.76 × 10,516.56
  4. Step 4: Simplify right side
    18,476.40x = 268,106,656.67
  5. Step 5: Solve for x
    x = 268,106,656.67/18,476.40
  6. Step 6: Final answer
    x = 14,510.76

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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.