Home / 22,900.77-31,607.91-13,951.17

Finding the Fourth Proportional to 22,900.77, 31,607.91 and 13,951.17

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Solution

The fourth proportional to 22,900.77, 31,607.91 and 13,951.17 is: 19,255.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,900.77 : 31,607.91 = 13,951.17 : x
  2. Step 2: Convert to fraction form
    22,900.77/31,607.91 = 13,951.17/x
  3. Step 3: Cross multiply
    22,900.77x = 31,607.91 × 13,951.17
  4. Step 4: Simplify right side
    22,900.77x = 440,967,325.75
  5. Step 5: Solve for x
    x = 440,967,325.75/22,900.77
  6. Step 6: Final answer
    x = 19,255.57

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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.