Home / 22,805.73-34,153.02-12,915.05

Finding the Fourth Proportional to 22,805.73, 34,153.02 and 12,915.05

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Solution

The fourth proportional to 22,805.73, 34,153.02 and 12,915.05 is: 19,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,805.73 : 34,153.02 = 12,915.05 : x
  2. Step 2: Convert to fraction form
    22,805.73/34,153.02 = 12,915.05/x
  3. Step 3: Cross multiply
    22,805.73x = 34,153.02 × 12,915.05
  4. Step 4: Simplify right side
    22,805.73x = 441,087,790.19
  5. Step 5: Solve for x
    x = 441,087,790.19/22,805.73
  6. Step 6: Final answer
    x = 19,341.09

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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.