Home / 14,329.31-19,775.41-7,956.63

Finding the Fourth Proportional to 14,329.31, 19,775.41 and 7,956.63

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Solution

The fourth proportional to 14,329.31, 19,775.41 and 7,956.63 is: 10,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,329.31 : 19,775.41 = 7,956.63 : x
  2. Step 2: Convert to fraction form
    14,329.31/19,775.41 = 7,956.63/x
  3. Step 3: Cross multiply
    14,329.31x = 19,775.41 × 7,956.63
  4. Step 4: Simplify right side
    14,329.31x = 157,345,600.58
  5. Step 5: Solve for x
    x = 157,345,600.58/14,329.31
  6. Step 6: Final answer
    x = 10,980.69

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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.