Home / 27,997.16-38,625-19,497.02

Finding the Fourth Proportional to 27,997.16, 38,625 and 19,497.02

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Solution

The fourth proportional to 27,997.16, 38,625 and 19,497.02 is: 26,898.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,997.16 : 38,625 = 19,497.02 : x
  2. Step 2: Convert to fraction form
    27,997.16/38,625 = 19,497.02/x
  3. Step 3: Cross multiply
    27,997.16x = 38,625 × 19,497.02
  4. Step 4: Simplify right side
    27,997.16x = 753,072,397.50
  5. Step 5: Solve for x
    x = 753,072,397.50/27,997.16
  6. Step 6: Final answer
    x = 26,898.17

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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.