Home / 19,937.84-29,867.88-17,164.40

Finding the Fourth Proportional to 19,937.84, 29,867.88 and 17,164.40

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Solution

The fourth proportional to 19,937.84, 29,867.88 and 17,164.40 is: 25,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.84 : 29,867.88 = 17,164.40 : x
  2. Step 2: Convert to fraction form
    19,937.84/29,867.88 = 17,164.40/x
  3. Step 3: Cross multiply
    19,937.84x = 29,867.88 × 17,164.40
  4. Step 4: Simplify right side
    19,937.84x = 512,664,239.47
  5. Step 5: Solve for x
    x = 512,664,239.47/19,937.84
  6. Step 6: Final answer
    x = 25,713.13

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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.