Home / 13,873.08-19,147.14-13,029.60

Finding the Fourth Proportional to 13,873.08, 19,147.14 and 13,029.60

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Solution

The fourth proportional to 13,873.08, 19,147.14 and 13,029.60 is: 17,983.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873.08 : 19,147.14 = 13,029.60 : x
  2. Step 2: Convert to fraction form
    13,873.08/19,147.14 = 13,029.60/x
  3. Step 3: Cross multiply
    13,873.08x = 19,147.14 × 13,029.60
  4. Step 4: Simplify right side
    13,873.08x = 249,479,575.34
  5. Step 5: Solve for x
    x = 249,479,575.34/13,873.08
  6. Step 6: Final answer
    x = 17,983.00

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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.