Home / 32,389.81-44,709.13-18,965.38

Finding the Fourth Proportional to 32,389.81, 44,709.13 and 18,965.38

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Solution

The fourth proportional to 32,389.81, 44,709.13 and 18,965.38 is: 26,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,389.81 : 44,709.13 = 18,965.38 : x
  2. Step 2: Convert to fraction form
    32,389.81/44,709.13 = 18,965.38/x
  3. Step 3: Cross multiply
    32,389.81x = 44,709.13 × 18,965.38
  4. Step 4: Simplify right side
    32,389.81x = 847,925,704.28
  5. Step 5: Solve for x
    x = 847,925,704.28/32,389.81
  6. Step 6: Final answer
    x = 26,178.78

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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.