Home / 43,587.81-65,379.40-14,003.34

Finding the Fourth Proportional to 43,587.81, 65,379.40 and 14,003.34

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Solution

The fourth proportional to 43,587.81, 65,379.40 and 14,003.34 is: 21,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,587.81 : 65,379.40 = 14,003.34 : x
  2. Step 2: Convert to fraction form
    43,587.81/65,379.40 = 14,003.34/x
  3. Step 3: Cross multiply
    43,587.81x = 65,379.40 × 14,003.34
  4. Step 4: Simplify right side
    43,587.81x = 915,529,967.20
  5. Step 5: Solve for x
    x = 915,529,967.20/43,587.81
  6. Step 6: Final answer
    x = 21,004.27

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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.