Home / 22,214.23-30,656.46-12,143.35

Finding the Fourth Proportional to 22,214.23, 30,656.46 and 12,143.35

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Solution

The fourth proportional to 22,214.23, 30,656.46 and 12,143.35 is: 16,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,214.23 : 30,656.46 = 12,143.35 : x
  2. Step 2: Convert to fraction form
    22,214.23/30,656.46 = 12,143.35/x
  3. Step 3: Cross multiply
    22,214.23x = 30,656.46 × 12,143.35
  4. Step 4: Simplify right side
    22,214.23x = 372,272,207.40
  5. Step 5: Solve for x
    x = 372,272,207.40/22,214.23
  6. Step 6: Final answer
    x = 16,758.28

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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.