Home / 14,140.50-21,293.16-10,468.80

Finding the Fourth Proportional to 14,140.50, 21,293.16 and 10,468.80

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Solution

The fourth proportional to 14,140.50, 21,293.16 and 10,468.80 is: 15,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.50 : 21,293.16 = 10,468.80 : x
  2. Step 2: Convert to fraction form
    14,140.50/21,293.16 = 10,468.80/x
  3. Step 3: Cross multiply
    14,140.50x = 21,293.16 × 10,468.80
  4. Step 4: Simplify right side
    14,140.50x = 222,913,833.41
  5. Step 5: Solve for x
    x = 222,913,833.41/14,140.50
  6. Step 6: Final answer
    x = 15,764.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.