Home / 25,909.40-38,864.73-19,377.07

Finding the Fourth Proportional to 25,909.40, 38,864.73 and 19,377.07

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Solution

The fourth proportional to 25,909.40, 38,864.73 and 19,377.07 is: 29,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909.40 : 38,864.73 = 19,377.07 : x
  2. Step 2: Convert to fraction form
    25,909.40/38,864.73 = 19,377.07/x
  3. Step 3: Cross multiply
    25,909.40x = 38,864.73 × 19,377.07
  4. Step 4: Simplify right side
    25,909.40x = 753,084,593.74
  5. Step 5: Solve for x
    x = 753,084,593.74/25,909.40
  6. Step 6: Final answer
    x = 29,066.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.