Home / 19,031.70-28,530.27-7,353.66

Finding the Fourth Proportional to 19,031.70, 28,530.27 and 7,353.66

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Solution

The fourth proportional to 19,031.70, 28,530.27 and 7,353.66 is: 11,023.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.70 : 28,530.27 = 7,353.66 : x
  2. Step 2: Convert to fraction form
    19,031.70/28,530.27 = 7,353.66/x
  3. Step 3: Cross multiply
    19,031.70x = 28,530.27 × 7,353.66
  4. Step 4: Simplify right side
    19,031.70x = 209,801,905.29
  5. Step 5: Solve for x
    x = 209,801,905.29/19,031.70
  6. Step 6: Final answer
    x = 11,023.81

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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.