Home / 22,372.85-30,875.03-12,300.65

Finding the Fourth Proportional to 22,372.85, 30,875.03 and 12,300.65

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Solution

The fourth proportional to 22,372.85, 30,875.03 and 12,300.65 is: 16,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,372.85 : 30,875.03 = 12,300.65 : x
  2. Step 2: Convert to fraction form
    22,372.85/30,875.03 = 12,300.65/x
  3. Step 3: Cross multiply
    22,372.85x = 30,875.03 × 12,300.65
  4. Step 4: Simplify right side
    22,372.85x = 379,782,721.89
  5. Step 5: Solve for x
    x = 379,782,721.89/22,372.85
  6. Step 6: Final answer
    x = 16,975.16

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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.