Home / 15,962.78-22,026.71-9,156.45

Finding the Fourth Proportional to 15,962.78, 22,026.71 and 9,156.45

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Solution

The fourth proportional to 15,962.78, 22,026.71 and 9,156.45 is: 12,634.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,962.78 : 22,026.71 = 9,156.45 : x
  2. Step 2: Convert to fraction form
    15,962.78/22,026.71 = 9,156.45/x
  3. Step 3: Cross multiply
    15,962.78x = 22,026.71 × 9,156.45
  4. Step 4: Simplify right side
    15,962.78x = 201,686,340.40
  5. Step 5: Solve for x
    x = 201,686,340.40/15,962.78
  6. Step 6: Final answer
    x = 12,634.79

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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.