Home / 14,312.50-21,468.32-5,878.71

Finding the Fourth Proportional to 14,312.50, 21,468.32 and 5,878.71

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Solution

The fourth proportional to 14,312.50, 21,468.32 and 5,878.71 is: 8,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312.50 : 21,468.32 = 5,878.71 : x
  2. Step 2: Convert to fraction form
    14,312.50/21,468.32 = 5,878.71/x
  3. Step 3: Cross multiply
    14,312.50x = 21,468.32 × 5,878.71
  4. Step 4: Simplify right side
    14,312.50x = 126,206,027.47
  5. Step 5: Solve for x
    x = 126,206,027.47/14,312.50
  6. Step 6: Final answer
    x = 8,817.89

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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.