Home / 14,443.51-19,936.43-9,140.04

Finding the Fourth Proportional to 14,443.51, 19,936.43 and 9,140.04

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Solution

The fourth proportional to 14,443.51, 19,936.43 and 9,140.04 is: 12,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.51 : 19,936.43 = 9,140.04 : x
  2. Step 2: Convert to fraction form
    14,443.51/19,936.43 = 9,140.04/x
  3. Step 3: Cross multiply
    14,443.51x = 19,936.43 × 9,140.04
  4. Step 4: Simplify right side
    14,443.51x = 182,219,767.66
  5. Step 5: Solve for x
    x = 182,219,767.66/14,443.51
  6. Step 6: Final answer
    x = 12,616.03

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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.