Home / 22,270.04-30,733.50-12,711.48

Finding the Fourth Proportional to 22,270.04, 30,733.50 and 12,711.48

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Solution

The fourth proportional to 22,270.04, 30,733.50 and 12,711.48 is: 17,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.04 : 30,733.50 = 12,711.48 : x
  2. Step 2: Convert to fraction form
    22,270.04/30,733.50 = 12,711.48/x
  3. Step 3: Cross multiply
    22,270.04x = 30,733.50 × 12,711.48
  4. Step 4: Simplify right side
    22,270.04x = 390,668,340.12
  5. Step 5: Solve for x
    x = 390,668,340.12/22,270.04
  6. Step 6: Final answer
    x = 17,542.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.