Home / 19,541.75-29,320.83-8,442.73

Finding the Fourth Proportional to 19,541.75, 29,320.83 and 8,442.73

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Solution

The fourth proportional to 19,541.75, 29,320.83 and 8,442.73 is: 12,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541.75 : 29,320.83 = 8,442.73 : x
  2. Step 2: Convert to fraction form
    19,541.75/29,320.83 = 8,442.73/x
  3. Step 3: Cross multiply
    19,541.75x = 29,320.83 × 8,442.73
  4. Step 4: Simplify right side
    19,541.75x = 247,547,851.07
  5. Step 5: Solve for x
    x = 247,547,851.07/19,541.75
  6. Step 6: Final answer
    x = 12,667.64

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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.