Home / 18,397.12-25,388.48-10,014.08

Finding the Fourth Proportional to 18,397.12, 25,388.48 and 10,014.08

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Solution

The fourth proportional to 18,397.12, 25,388.48 and 10,014.08 is: 13,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.12 : 25,388.48 = 10,014.08 : x
  2. Step 2: Convert to fraction form
    18,397.12/25,388.48 = 10,014.08/x
  3. Step 3: Cross multiply
    18,397.12x = 25,388.48 × 10,014.08
  4. Step 4: Simplify right side
    18,397.12x = 254,242,269.80
  5. Step 5: Solve for x
    x = 254,242,269.80/18,397.12
  6. Step 6: Final answer
    x = 13,819.68

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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.