Home / 15,033.95-22,556.40-7,138.88

Finding the Fourth Proportional to 15,033.95, 22,556.40 and 7,138.88

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Solution

The fourth proportional to 15,033.95, 22,556.40 and 7,138.88 is: 10,710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033.95 : 22,556.40 = 7,138.88 : x
  2. Step 2: Convert to fraction form
    15,033.95/22,556.40 = 7,138.88/x
  3. Step 3: Cross multiply
    15,033.95x = 22,556.40 × 7,138.88
  4. Step 4: Simplify right side
    15,033.95x = 161,027,432.83
  5. Step 5: Solve for x
    x = 161,027,432.83/15,033.95
  6. Step 6: Final answer
    x = 10,710.92

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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.