Home / 14,448.45-19,937.91-8,398.17

Finding the Fourth Proportional to 14,448.45, 19,937.91 and 8,398.17

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Solution

The fourth proportional to 14,448.45, 19,937.91 and 8,398.17 is: 11,588.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.45 : 19,937.91 = 8,398.17 : x
  2. Step 2: Convert to fraction form
    14,448.45/19,937.91 = 8,398.17/x
  3. Step 3: Cross multiply
    14,448.45x = 19,937.91 × 8,398.17
  4. Step 4: Simplify right side
    14,448.45x = 167,441,957.62
  5. Step 5: Solve for x
    x = 167,441,957.62/14,448.45
  6. Step 6: Final answer
    x = 11,588.92

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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.