Home / 13,829.13-19,084.41-7,541.51

Finding the Fourth Proportional to 13,829.13, 19,084.41 and 7,541.51

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Solution

The fourth proportional to 13,829.13, 19,084.41 and 7,541.51 is: 10,407.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.13 : 19,084.41 = 7,541.51 : x
  2. Step 2: Convert to fraction form
    13,829.13/19,084.41 = 7,541.51/x
  3. Step 3: Cross multiply
    13,829.13x = 19,084.41 × 7,541.51
  4. Step 4: Simplify right side
    13,829.13x = 143,925,173.44
  5. Step 5: Solve for x
    x = 143,925,173.44/13,829.13
  6. Step 6: Final answer
    x = 10,407.39

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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.