Home / 14,124.04-21,177.82-4,260.36

Finding the Fourth Proportional to 14,124.04, 21,177.82 and 4,260.36

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Solution

The fourth proportional to 14,124.04, 21,177.82 and 4,260.36 is: 6,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.04 : 21,177.82 = 4,260.36 : x
  2. Step 2: Convert to fraction form
    14,124.04/21,177.82 = 4,260.36/x
  3. Step 3: Cross multiply
    14,124.04x = 21,177.82 × 4,260.36
  4. Step 4: Simplify right side
    14,124.04x = 90,225,137.22
  5. Step 5: Solve for x
    x = 90,225,137.22/14,124.04
  6. Step 6: Final answer
    x = 6,388.05

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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.