Home / 14,107.30-19,461.53-9,918.02

Finding the Fourth Proportional to 14,107.30, 19,461.53 and 9,918.02

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Solution

The fourth proportional to 14,107.30, 19,461.53 and 9,918.02 is: 13,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.30 : 19,461.53 = 9,918.02 : x
  2. Step 2: Convert to fraction form
    14,107.30/19,461.53 = 9,918.02/x
  3. Step 3: Cross multiply
    14,107.30x = 19,461.53 × 9,918.02
  4. Step 4: Simplify right side
    14,107.30x = 193,019,843.77
  5. Step 5: Solve for x
    x = 193,019,843.77/14,107.30
  6. Step 6: Final answer
    x = 13,682.27

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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.