Home / 26,636.55-39,916.72-19,561.04

Finding the Fourth Proportional to 26,636.55, 39,916.72 and 19,561.04

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Solution

The fourth proportional to 26,636.55, 39,916.72 and 19,561.04 is: 29,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,636.55 : 39,916.72 = 19,561.04 : x
  2. Step 2: Convert to fraction form
    26,636.55/39,916.72 = 19,561.04/x
  3. Step 3: Cross multiply
    26,636.55x = 39,916.72 × 19,561.04
  4. Step 4: Simplify right side
    26,636.55x = 780,812,810.69
  5. Step 5: Solve for x
    x = 780,812,810.69/26,636.55
  6. Step 6: Final answer
    x = 29,313.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.