Home / 43,789.16-65,683.72-14,207

Finding the Fourth Proportional to 43,789.16, 65,683.72 and 14,207

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Solution

The fourth proportional to 43,789.16, 65,683.72 and 14,207 is: 21,310.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,789.16 : 65,683.72 = 14,207 : x
  2. Step 2: Convert to fraction form
    43,789.16/65,683.72 = 14,207/x
  3. Step 3: Cross multiply
    43,789.16x = 65,683.72 × 14,207
  4. Step 4: Simplify right side
    43,789.16x = 933,168,610.04
  5. Step 5: Solve for x
    x = 933,168,610.04/43,789.16
  6. Step 6: Final answer
    x = 21,310.49

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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.