Home / 19,270.80-28,913.40-7,592.16

Finding the Fourth Proportional to 19,270.80, 28,913.40 and 7,592.16

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Solution

The fourth proportional to 19,270.80, 28,913.40 and 7,592.16 is: 11,391.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.80 : 28,913.40 = 7,592.16 : x
  2. Step 2: Convert to fraction form
    19,270.80/28,913.40 = 7,592.16/x
  3. Step 3: Cross multiply
    19,270.80x = 28,913.40 × 7,592.16
  4. Step 4: Simplify right side
    19,270.80x = 219,515,158.94
  5. Step 5: Solve for x
    x = 219,515,158.94/19,270.80
  6. Step 6: Final answer
    x = 11,391.08

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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.