Home / 25,001.25-34,505.91-14,388.90

Finding the Fourth Proportional to 25,001.25, 34,505.91 and 14,388.90

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Solution

The fourth proportional to 25,001.25, 34,505.91 and 14,388.90 is: 19,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,001.25 : 34,505.91 = 14,388.90 : x
  2. Step 2: Convert to fraction form
    25,001.25/34,505.91 = 14,388.90/x
  3. Step 3: Cross multiply
    25,001.25x = 34,505.91 × 14,388.90
  4. Step 4: Simplify right side
    25,001.25x = 496,502,088.40
  5. Step 5: Solve for x
    x = 496,502,088.40/25,001.25
  6. Step 6: Final answer
    x = 19,859.09

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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.