Home / 19,715.49-29,569.95-5,861.25

Finding the Fourth Proportional to 19,715.49, 29,569.95 and 5,861.25

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Solution

The fourth proportional to 19,715.49, 29,569.95 and 5,861.25 is: 8,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.49 : 29,569.95 = 5,861.25 : x
  2. Step 2: Convert to fraction form
    19,715.49/29,569.95 = 5,861.25/x
  3. Step 3: Cross multiply
    19,715.49x = 29,569.95 × 5,861.25
  4. Step 4: Simplify right side
    19,715.49x = 173,316,869.44
  5. Step 5: Solve for x
    x = 173,316,869.44/19,715.49
  6. Step 6: Final answer
    x = 8,790.90

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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.