Home / 19,031.60-28,555.56-7,352.96

Finding the Fourth Proportional to 19,031.60, 28,555.56 and 7,352.96

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Solution

The fourth proportional to 19,031.60, 28,555.56 and 7,352.96 is: 11,032.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.60 : 28,555.56 = 7,352.96 : x
  2. Step 2: Convert to fraction form
    19,031.60/28,555.56 = 7,352.96/x
  3. Step 3: Cross multiply
    19,031.60x = 28,555.56 × 7,352.96
  4. Step 4: Simplify right side
    19,031.60x = 209,967,890.46
  5. Step 5: Solve for x
    x = 209,967,890.46/19,031.60
  6. Step 6: Final answer
    x = 11,032.59

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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.