Home / 32,389.57-44,708.78-18,965.13

Finding the Fourth Proportional to 32,389.57, 44,708.78 and 18,965.13

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Solution

The fourth proportional to 32,389.57, 44,708.78 and 18,965.13 is: 26,178.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,389.57 : 44,708.78 = 18,965.13 : x
  2. Step 2: Convert to fraction form
    32,389.57/44,708.78 = 18,965.13/x
  3. Step 3: Cross multiply
    32,389.57x = 44,708.78 × 18,965.13
  4. Step 4: Simplify right side
    32,389.57x = 847,907,824.84
  5. Step 5: Solve for x
    x = 847,907,824.84/32,389.57
  6. Step 6: Final answer
    x = 26,178.42

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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.