Home / 16,916.72-23,355.68-10,869.41

Finding the Fourth Proportional to 16,916.72, 23,355.68 and 10,869.41

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Solution

The fourth proportional to 16,916.72, 23,355.68 and 10,869.41 is: 15,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916.72 : 23,355.68 = 10,869.41 : x
  2. Step 2: Convert to fraction form
    16,916.72/23,355.68 = 10,869.41/x
  3. Step 3: Cross multiply
    16,916.72x = 23,355.68 × 10,869.41
  4. Step 4: Simplify right side
    16,916.72x = 253,862,334.42
  5. Step 5: Solve for x
    x = 253,862,334.42/16,916.72
  6. Step 6: Final answer
    x = 15,006.60

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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.