Home / 25,966.74-38,934.54-11,909.16

Finding the Fourth Proportional to 25,966.74, 38,934.54 and 11,909.16

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Solution

The fourth proportional to 25,966.74, 38,934.54 and 11,909.16 is: 17,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,966.74 : 38,934.54 = 11,909.16 : x
  2. Step 2: Convert to fraction form
    25,966.74/38,934.54 = 11,909.16/x
  3. Step 3: Cross multiply
    25,966.74x = 38,934.54 × 11,909.16
  4. Step 4: Simplify right side
    25,966.74x = 463,677,666.39
  5. Step 5: Solve for x
    x = 463,677,666.39/25,966.74
  6. Step 6: Final answer
    x = 17,856.60

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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.