Home / 15,968.79-22,037.44-9,164.06

Finding the Fourth Proportional to 15,968.79, 22,037.44 and 9,164.06

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Solution

The fourth proportional to 15,968.79, 22,037.44 and 9,164.06 is: 12,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.79 : 22,037.44 = 9,164.06 : x
  2. Step 2: Convert to fraction form
    15,968.79/22,037.44 = 9,164.06/x
  3. Step 3: Cross multiply
    15,968.79x = 22,037.44 × 9,164.06
  4. Step 4: Simplify right side
    15,968.79x = 201,952,401.81
  5. Step 5: Solve for x
    x = 201,952,401.81/15,968.79
  6. Step 6: Final answer
    x = 12,646.69

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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.