Home / 15,934.78-21,996.12-10,627.66

Finding the Fourth Proportional to 15,934.78, 21,996.12 and 10,627.66

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Solution

The fourth proportional to 15,934.78, 21,996.12 and 10,627.66 is: 14,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,934.78 : 21,996.12 = 10,627.66 : x
  2. Step 2: Convert to fraction form
    15,934.78/21,996.12 = 10,627.66/x
  3. Step 3: Cross multiply
    15,934.78x = 21,996.12 × 10,627.66
  4. Step 4: Simplify right side
    15,934.78x = 233,767,284.68
  5. Step 5: Solve for x
    x = 233,767,284.68/15,934.78
  6. Step 6: Final answer
    x = 14,670.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.