Home / 19,386.08-29,093.61-7,541.72

Finding the Fourth Proportional to 19,386.08, 29,093.61 and 7,541.72

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Solution

The fourth proportional to 19,386.08, 29,093.61 and 7,541.72 is: 11,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,386.08 : 29,093.61 = 7,541.72 : x
  2. Step 2: Convert to fraction form
    19,386.08/29,093.61 = 7,541.72/x
  3. Step 3: Cross multiply
    19,386.08x = 29,093.61 × 7,541.72
  4. Step 4: Simplify right side
    19,386.08x = 219,415,860.41
  5. Step 5: Solve for x
    x = 219,415,860.41/19,386.08
  6. Step 6: Final answer
    x = 11,318.22

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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.