Home / 13,829.04-19,084.08-7,541.80

Finding the Fourth Proportional to 13,829.04, 19,084.08 and 7,541.80

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Solution

The fourth proportional to 13,829.04, 19,084.08 and 7,541.80 is: 10,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.04 : 19,084.08 = 7,541.80 : x
  2. Step 2: Convert to fraction form
    13,829.04/19,084.08 = 7,541.80/x
  3. Step 3: Cross multiply
    13,829.04x = 19,084.08 × 7,541.80
  4. Step 4: Simplify right side
    13,829.04x = 143,928,314.54
  5. Step 5: Solve for x
    x = 143,928,314.54/13,829.04
  6. Step 6: Final answer
    x = 10,407.69

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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.