Home / 19,220.43-28,835.10-7,533.75

Finding the Fourth Proportional to 19,220.43, 28,835.10 and 7,533.75

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Solution

The fourth proportional to 19,220.43, 28,835.10 and 7,533.75 is: 11,302.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.43 : 28,835.10 = 7,533.75 : x
  2. Step 2: Convert to fraction form
    19,220.43/28,835.10 = 7,533.75/x
  3. Step 3: Cross multiply
    19,220.43x = 28,835.10 × 7,533.75
  4. Step 4: Simplify right side
    19,220.43x = 217,236,434.63
  5. Step 5: Solve for x
    x = 217,236,434.63/19,220.43
  6. Step 6: Final answer
    x = 11,302.37

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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.