Home / 13,236.04-19,861.95-4,916.80

Finding the Fourth Proportional to 13,236.04, 19,861.95 and 4,916.80

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Solution

The fourth proportional to 13,236.04, 19,861.95 and 4,916.80 is: 7,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.04 : 19,861.95 = 4,916.80 : x
  2. Step 2: Convert to fraction form
    13,236.04/19,861.95 = 4,916.80/x
  3. Step 3: Cross multiply
    13,236.04x = 19,861.95 × 4,916.80
  4. Step 4: Simplify right side
    13,236.04x = 97,657,235.76
  5. Step 5: Solve for x
    x = 97,657,235.76/13,236.04
  6. Step 6: Final answer
    x = 7,378.13

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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.