Home / 14,400.66-19,880.62-10,106.96

Finding the Fourth Proportional to 14,400.66, 19,880.62 and 10,106.96

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Solution

The fourth proportional to 14,400.66, 19,880.62 and 10,106.96 is: 13,953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.66 : 19,880.62 = 10,106.96 : x
  2. Step 2: Convert to fraction form
    14,400.66/19,880.62 = 10,106.96/x
  3. Step 3: Cross multiply
    14,400.66x = 19,880.62 × 10,106.96
  4. Step 4: Simplify right side
    14,400.66x = 200,932,580.58
  5. Step 5: Solve for x
    x = 200,932,580.58/14,400.66
  6. Step 6: Final answer
    x = 13,953.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.