Home / 14,166.78-19,539.99-10,391.10

Finding the Fourth Proportional to 14,166.78, 19,539.99 and 10,391.10

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Solution

The fourth proportional to 14,166.78, 19,539.99 and 10,391.10 is: 14,332.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.78 : 19,539.99 = 10,391.10 : x
  2. Step 2: Convert to fraction form
    14,166.78/19,539.99 = 10,391.10/x
  3. Step 3: Cross multiply
    14,166.78x = 19,539.99 × 10,391.10
  4. Step 4: Simplify right side
    14,166.78x = 203,041,990.09
  5. Step 5: Solve for x
    x = 203,041,990.09/14,166.78
  6. Step 6: Final answer
    x = 14,332.26

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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.