Home / 18,377.60-25,361.52-9,994.16

Finding the Fourth Proportional to 18,377.60, 25,361.52 and 9,994.16

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Solution

The fourth proportional to 18,377.60, 25,361.52 and 9,994.16 is: 13,792.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.60 : 25,361.52 = 9,994.16 : x
  2. Step 2: Convert to fraction form
    18,377.60/25,361.52 = 9,994.16/x
  3. Step 3: Cross multiply
    18,377.60x = 25,361.52 × 9,994.16
  4. Step 4: Simplify right side
    18,377.60x = 253,467,088.72
  5. Step 5: Solve for x
    x = 253,467,088.72/18,377.60
  6. Step 6: Final answer
    x = 13,792.18

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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.