Home / 18,674.07-25,752.90-13,630.32

Finding the Fourth Proportional to 18,674.07, 25,752.90 and 13,630.32

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Solution

The fourth proportional to 18,674.07, 25,752.90 and 13,630.32 is: 18,797.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.07 : 25,752.90 = 13,630.32 : x
  2. Step 2: Convert to fraction form
    18,674.07/25,752.90 = 13,630.32/x
  3. Step 3: Cross multiply
    18,674.07x = 25,752.90 × 13,630.32
  4. Step 4: Simplify right side
    18,674.07x = 351,020,267.93
  5. Step 5: Solve for x
    x = 351,020,267.93/18,674.07
  6. Step 6: Final answer
    x = 18,797.20

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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.