Home / 18,916.68-26,100.18-10,531.56

Finding the Fourth Proportional to 18,916.68, 26,100.18 and 10,531.56

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Solution

The fourth proportional to 18,916.68, 26,100.18 and 10,531.56 is: 14,530.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916.68 : 26,100.18 = 10,531.56 : x
  2. Step 2: Convert to fraction form
    18,916.68/26,100.18 = 10,531.56/x
  3. Step 3: Cross multiply
    18,916.68x = 26,100.18 × 10,531.56
  4. Step 4: Simplify right side
    18,916.68x = 274,875,611.68
  5. Step 5: Solve for x
    x = 274,875,611.68/18,916.68
  6. Step 6: Final answer
    x = 14,530.86

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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.