Home / 23,138.73-34,680.69-10,648.40

Finding the Fourth Proportional to 23,138.73, 34,680.69 and 10,648.40

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Solution

The fourth proportional to 23,138.73, 34,680.69 and 10,648.40 is: 15,959.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.73 : 34,680.69 = 10,648.40 : x
  2. Step 2: Convert to fraction form
    23,138.73/34,680.69 = 10,648.40/x
  3. Step 3: Cross multiply
    23,138.73x = 34,680.69 × 10,648.40
  4. Step 4: Simplify right side
    23,138.73x = 369,293,685.99
  5. Step 5: Solve for x
    x = 369,293,685.99/23,138.73
  6. Step 6: Final answer
    x = 15,959.98

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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.