Home / 19,137.62-26,410.59-10,642.15

Finding the Fourth Proportional to 19,137.62, 26,410.59 and 10,642.15

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Solution

The fourth proportional to 19,137.62, 26,410.59 and 10,642.15 is: 14,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.62 : 26,410.59 = 10,642.15 : x
  2. Step 2: Convert to fraction form
    19,137.62/26,410.59 = 10,642.15/x
  3. Step 3: Cross multiply
    19,137.62x = 26,410.59 × 10,642.15
  4. Step 4: Simplify right side
    19,137.62x = 281,065,359.51
  5. Step 5: Solve for x
    x = 281,065,359.51/19,137.62
  6. Step 6: Final answer
    x = 14,686.54

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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.