Home / 19,265.04-28,871.64-7,575.12

Finding the Fourth Proportional to 19,265.04, 28,871.64 and 7,575.12

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Solution

The fourth proportional to 19,265.04, 28,871.64 and 7,575.12 is: 11,352.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.04 : 28,871.64 = 7,575.12 : x
  2. Step 2: Convert to fraction form
    19,265.04/28,871.64 = 7,575.12/x
  3. Step 3: Cross multiply
    19,265.04x = 28,871.64 × 7,575.12
  4. Step 4: Simplify right side
    19,265.04x = 218,706,137.60
  5. Step 5: Solve for x
    x = 218,706,137.60/19,265.04
  6. Step 6: Final answer
    x = 11,352.49

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1.5x scale

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.