Home / 39,153.88-58,730.57-14,188.11

Finding the Fourth Proportional to 39,153.88, 58,730.57 and 14,188.11

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Solution

The fourth proportional to 39,153.88, 58,730.57 and 14,188.11 is: 21,282.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,153.88 : 58,730.57 = 14,188.11 : x
  2. Step 2: Convert to fraction form
    39,153.88/58,730.57 = 14,188.11/x
  3. Step 3: Cross multiply
    39,153.88x = 58,730.57 × 14,188.11
  4. Step 4: Simplify right side
    39,153.88x = 833,275,879.91
  5. Step 5: Solve for x
    x = 833,275,879.91/39,153.88
  6. Step 6: Final answer
    x = 21,282.08

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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.