Home / 14,143.10-21,214.65-9,222.35

Finding the Fourth Proportional to 14,143.10, 21,214.65 and 9,222.35

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Solution

The fourth proportional to 14,143.10, 21,214.65 and 9,222.35 is: 13,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.10 : 21,214.65 = 9,222.35 : x
  2. Step 2: Convert to fraction form
    14,143.10/21,214.65 = 9,222.35/x
  3. Step 3: Cross multiply
    14,143.10x = 21,214.65 × 9,222.35
  4. Step 4: Simplify right side
    14,143.10x = 195,648,927.43
  5. Step 5: Solve for x
    x = 195,648,927.43/14,143.10
  6. Step 6: Final answer
    x = 13,833.53

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Double scale
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Similar ratio
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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.