Home / 25,202.13-34,780.38-14,448.80

Finding the Fourth Proportional to 25,202.13, 34,780.38 and 14,448.80

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Solution

The fourth proportional to 25,202.13, 34,780.38 and 14,448.80 is: 19,940.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,202.13 : 34,780.38 = 14,448.80 : x
  2. Step 2: Convert to fraction form
    25,202.13/34,780.38 = 14,448.80/x
  3. Step 3: Cross multiply
    25,202.13x = 34,780.38 × 14,448.80
  4. Step 4: Simplify right side
    25,202.13x = 502,534,580.64
  5. Step 5: Solve for x
    x = 502,534,580.64/25,202.13
  6. Step 6: Final answer
    x = 19,940.16

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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.