Home / 18,129.03-25,017.90-10,171.08

Finding the Fourth Proportional to 18,129.03, 25,017.90 and 10,171.08

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Solution

The fourth proportional to 18,129.03, 25,017.90 and 10,171.08 is: 14,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,129.03 : 25,017.90 = 10,171.08 : x
  2. Step 2: Convert to fraction form
    18,129.03/25,017.90 = 10,171.08/x
  3. Step 3: Cross multiply
    18,129.03x = 25,017.90 × 10,171.08
  4. Step 4: Simplify right side
    18,129.03x = 254,459,062.33
  5. Step 5: Solve for x
    x = 254,459,062.33/18,129.03
  6. Step 6: Final answer
    x = 14,036.00

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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.