Home / 43,857.16-65,789.34-14,267.32

Finding the Fourth Proportional to 43,857.16, 65,789.34 and 14,267.32

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Solution

The fourth proportional to 43,857.16, 65,789.34 and 14,267.32 is: 21,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,857.16 : 65,789.34 = 14,267.32 : x
  2. Step 2: Convert to fraction form
    43,857.16/65,789.34 = 14,267.32/x
  3. Step 3: Cross multiply
    43,857.16x = 65,789.34 × 14,267.32
  4. Step 4: Simplify right side
    43,857.16x = 938,637,566.37
  5. Step 5: Solve for x
    x = 938,637,566.37/43,857.16
  6. Step 6: Final answer
    x = 21,402.15

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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.