Home / 18,550.89-25,599.95-10,052.81

Finding the Fourth Proportional to 18,550.89, 25,599.95 and 10,052.81

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Solution

The fourth proportional to 18,550.89, 25,599.95 and 10,052.81 is: 13,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.89 : 25,599.95 = 10,052.81 : x
  2. Step 2: Convert to fraction form
    18,550.89/25,599.95 = 10,052.81/x
  3. Step 3: Cross multiply
    18,550.89x = 25,599.95 × 10,052.81
  4. Step 4: Simplify right side
    18,550.89x = 257,351,255.10
  5. Step 5: Solve for x
    x = 257,351,255.10/18,550.89
  6. Step 6: Final answer
    x = 13,872.72

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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.