Home / 14,193.66-21,276.06-5,878.20

Finding the Fourth Proportional to 14,193.66, 21,276.06 and 5,878.20

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Solution

The fourth proportional to 14,193.66, 21,276.06 and 5,878.20 is: 8,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.66 : 21,276.06 = 5,878.20 : x
  2. Step 2: Convert to fraction form
    14,193.66/21,276.06 = 5,878.20/x
  3. Step 3: Cross multiply
    14,193.66x = 21,276.06 × 5,878.20
  4. Step 4: Simplify right side
    14,193.66x = 125,064,935.89
  5. Step 5: Solve for x
    x = 125,064,935.89/14,193.66
  6. Step 6: Final answer
    x = 8,811.32

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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.