Home / 32,709.12-45,143.28-18,558.96

Finding the Fourth Proportional to 32,709.12, 45,143.28 and 18,558.96

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Solution

The fourth proportional to 32,709.12, 45,143.28 and 18,558.96 is: 25,614.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,709.12 : 45,143.28 = 18,558.96 : x
  2. Step 2: Convert to fraction form
    32,709.12/45,143.28 = 18,558.96/x
  3. Step 3: Cross multiply
    32,709.12x = 45,143.28 × 18,558.96
  4. Step 4: Simplify right side
    32,709.12x = 837,812,327.79
  5. Step 5: Solve for x
    x = 837,812,327.79/32,709.12
  6. Step 6: Final answer
    x = 25,614.03

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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.