Home / 22,365.87-30,856.05-14,412.75

Finding the Fourth Proportional to 22,365.87, 30,856.05 and 14,412.75

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Solution

The fourth proportional to 22,365.87, 30,856.05 and 14,412.75 is: 19,883.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,365.87 : 30,856.05 = 14,412.75 : x
  2. Step 2: Convert to fraction form
    22,365.87/30,856.05 = 14,412.75/x
  3. Step 3: Cross multiply
    22,365.87x = 30,856.05 × 14,412.75
  4. Step 4: Simplify right side
    22,365.87x = 444,720,534.64
  5. Step 5: Solve for x
    x = 444,720,534.64/22,365.87
  6. Step 6: Final answer
    x = 19,883.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.