Home / 19,358.17-29,055.08-11,977.05

Finding the Fourth Proportional to 19,358.17, 29,055.08 and 11,977.05

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Solution

The fourth proportional to 19,358.17, 29,055.08 and 11,977.05 is: 17,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.17 : 29,055.08 = 11,977.05 : x
  2. Step 2: Convert to fraction form
    19,358.17/29,055.08 = 11,977.05/x
  3. Step 3: Cross multiply
    19,358.17x = 29,055.08 × 11,977.05
  4. Step 4: Simplify right side
    19,358.17x = 347,994,145.91
  5. Step 5: Solve for x
    x = 347,994,145.91/19,358.17
  6. Step 6: Final answer
    x = 17,976.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.