Home / 14,399.75-19,878.32-10,154.27

Finding the Fourth Proportional to 14,399.75, 19,878.32 and 10,154.27

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Solution

The fourth proportional to 14,399.75, 19,878.32 and 10,154.27 is: 14,017.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.75 : 19,878.32 = 10,154.27 : x
  2. Step 2: Convert to fraction form
    14,399.75/19,878.32 = 10,154.27/x
  3. Step 3: Cross multiply
    14,399.75x = 19,878.32 × 10,154.27
  4. Step 4: Simplify right side
    14,399.75x = 201,849,777.66
  5. Step 5: Solve for x
    x = 201,849,777.66/14,399.75
  6. Step 6: Final answer
    x = 14,017.59

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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.