Home / 18,683.84-25,783.38-10,186.31

Finding the Fourth Proportional to 18,683.84, 25,783.38 and 10,186.31

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Solution

The fourth proportional to 18,683.84, 25,783.38 and 10,186.31 is: 14,056.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.84 : 25,783.38 = 10,186.31 : x
  2. Step 2: Convert to fraction form
    18,683.84/25,783.38 = 10,186.31/x
  3. Step 3: Cross multiply
    18,683.84x = 25,783.38 × 10,186.31
  4. Step 4: Simplify right side
    18,683.84x = 262,637,372.61
  5. Step 5: Solve for x
    x = 262,637,372.61/18,683.84
  6. Step 6: Final answer
    x = 14,056.93

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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.