Home / 32,905.12-45,409.07-18,567.99

Finding the Fourth Proportional to 32,905.12, 45,409.07 and 18,567.99

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Solution

The fourth proportional to 32,905.12, 45,409.07 and 18,567.99 is: 25,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.12 : 45,409.07 = 18,567.99 : x
  2. Step 2: Convert to fraction form
    32,905.12/45,409.07 = 18,567.99/x
  3. Step 3: Cross multiply
    32,905.12x = 45,409.07 × 18,567.99
  4. Step 4: Simplify right side
    32,905.12x = 843,155,157.67
  5. Step 5: Solve for x
    x = 843,155,157.67/32,905.12
  6. Step 6: Final answer
    x = 25,623.83

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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.