Home / 13,916.64-19,205.04-7,543.26

Finding the Fourth Proportional to 13,916.64, 19,205.04 and 7,543.26

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Solution

The fourth proportional to 13,916.64, 19,205.04 and 7,543.26 is: 10,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.64 : 19,205.04 = 7,543.26 : x
  2. Step 2: Convert to fraction form
    13,916.64/19,205.04 = 7,543.26/x
  3. Step 3: Cross multiply
    13,916.64x = 19,205.04 × 7,543.26
  4. Step 4: Simplify right side
    13,916.64x = 144,868,610.03
  5. Step 5: Solve for x
    x = 144,868,610.03/13,916.64
  6. Step 6: Final answer
    x = 10,409.74

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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.