Home / 13,948.04-19,247.62-7,574.48

Finding the Fourth Proportional to 13,948.04, 19,247.62 and 7,574.48

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Solution

The fourth proportional to 13,948.04, 19,247.62 and 7,574.48 is: 10,452.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.04 : 19,247.62 = 7,574.48 : x
  2. Step 2: Convert to fraction form
    13,948.04/19,247.62 = 7,574.48/x
  3. Step 3: Cross multiply
    13,948.04x = 19,247.62 × 7,574.48
  4. Step 4: Simplify right side
    13,948.04x = 145,790,712.74
  5. Step 5: Solve for x
    x = 145,790,712.74/13,948.04
  6. Step 6: Final answer
    x = 10,452.42

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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.