Home / 43,259.22-64,888.45-13,677.08

Finding the Fourth Proportional to 43,259.22, 64,888.45 and 13,677.08

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Solution

The fourth proportional to 43,259.22, 64,888.45 and 13,677.08 is: 20,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,259.22 : 64,888.45 = 13,677.08 : x
  2. Step 2: Convert to fraction form
    43,259.22/64,888.45 = 13,677.08/x
  3. Step 3: Cross multiply
    43,259.22x = 64,888.45 × 13,677.08
  4. Step 4: Simplify right side
    43,259.22x = 887,484,163.09
  5. Step 5: Solve for x
    x = 887,484,163.09/43,259.22
  6. Step 6: Final answer
    x = 20,515.49

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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.