Home / 19,386.08-29,034.84-11,578.88

Finding the Fourth Proportional to 19,386.08, 29,034.84 and 11,578.88

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Solution

The fourth proportional to 19,386.08, 29,034.84 and 11,578.88 is: 17,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,386.08 : 29,034.84 = 11,578.88 : x
  2. Step 2: Convert to fraction form
    19,386.08/29,034.84 = 11,578.88/x
  3. Step 3: Cross multiply
    19,386.08x = 29,034.84 × 11,578.88
  4. Step 4: Simplify right side
    19,386.08x = 336,190,928.18
  5. Step 5: Solve for x
    x = 336,190,928.18/19,386.08
  6. Step 6: Final answer
    x = 17,341.87

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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.